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Boiler Installation in Lombard, IL

When your home’s heating system requires replacement or you’re building a new property in Lombard, selecting the right boiler installation service becomes crucial for your long-term comfort and energy efficiency. At Oasis Plumbing, Heating & Cooling, we specialize in comprehensive boiler installation services that ensure optimal performance throughout Illinois’s demanding winter months. Our installation process begins with a thorough assessment of your property’s heating requirements, taking into account factors such as square footage, insulation quality, existing ductwork configuration, and your family’s specific comfort preferences.

The decision to install a new boiler represents a significant investment in your property’s infrastructure, and we understand the importance of getting every detail right from the start. Our team evaluates multiple variables including your current energy costs, the age and condition of your existing system, and potential efficiency gains from modern boiler technology. We’ve been serving our customers in Chicago and the Northern Suburbs for over 20 years, bringing extensive experience to every installation project we undertake in Lombard and surrounding communities.

Understanding Modern Boiler Technology

Today’s boiler systems incorporate advanced technology that dramatically improves upon older models in terms of efficiency, reliability, and environmental impact. Condensing boilers, which represent the current gold standard in residential heating technology, achieve efficiency ratings exceeding 95 percent by capturing and utilizing heat from exhaust gases that would otherwise escape through the flue. This technology extracts additional heat from water vapor in the combustion gases, cooling them to the point where the vapor condenses back into liquid water, hence the name condensing boiler.

The control systems in modern boilers offer unprecedented precision in managing your home’s heating zones. Programmable thermostats and smart home integration allow you to customize heating schedules for different areas of your home, reducing energy waste and maximizing comfort. Modulating burners adjust their output based on actual heating demand rather than simply cycling on and off at full capacity, which reduces wear on components and provides more consistent temperatures throughout your living spaces. Since 1997, Oasis Plumbing, Heating & Cooling has delivered quality customer service, reliability, and expertise in heating, cooling, and ventilation to our residential and commercial clients, staying current with these technological advances to better serve Lombard homeowners.

The Installation Process

Professional boiler installation involves multiple critical steps that ensure safe, efficient operation for years to come. Initially, we conduct a comprehensive load calculation to determine the precise heating capacity your home requires. This calculation considers factors including window placement and quality, insulation levels in walls and attics, air infiltration rates, and the local climate data specific to Lombard’s weather patterns. Oversizing or undersizing a boiler leads to inefficiency, increased wear, and comfort problems, making accurate sizing essential.

Once we’ve determined the appropriate boiler size and model for your needs, our highly-trained technicians prepare the installation site by removing the old equipment if necessary and making any required modifications to accommodate the new system. This preparation phase includes evaluating and potentially upgrading gas lines to meet current code requirements, ensuring adequate combustion air supply, and verifying proper venting configurations. We inspect existing piping systems for corrosion, leaks, or inadequate sizing that could compromise the new boiler’s performance. The actual installation involves precise mounting of the boiler unit, connection to gas supply lines with appropriate shutoff valves and drip legs, integration with the home’s water distribution system, and installation of all necessary safety devices including pressure relief valves and backflow preventers.

Key Components and Considerations

A complete boiler installation encompasses numerous components beyond the boiler unit itself. The venting system plays a crucial role in safely removing combustion gases from your home while maintaining proper draft for efficient operation. Modern high-efficiency boilers often utilize PVC venting systems that require different installation techniques compared to traditional metal flue pipes. We ensure all venting meets manufacturer specifications and local building codes, protecting your family from carbon monoxide exposure while maximizing system efficiency.

  • Expansion tanks: These critical components absorb pressure changes as water heats and cools, preventing damage to pipes and fixtures
  • Circulator pumps: Properly sized pumps ensure efficient water flow through your heating zones without excessive energy consumption
  • Zone valves: Allow independent temperature control in different areas of your home for customized comfort
  • Air separators: Remove trapped air from the system to prevent noise and improve heat transfer
  • Water treatment systems: Protect your investment by preventing scale buildup and corrosion

Energy Efficiency and Cost Savings

Upgrading to a modern high-efficiency boiler system can significantly reduce your heating costs while improving comfort throughout your Lombard home. The Annual Fuel Utilization Efficiency rating measures how effectively a boiler converts fuel into usable heat, with modern condensing boilers achieving AFUE ratings between 90 and 98 percent compared to older conventional boilers that may operate at only 60 to 80 percent efficiency. This improvement translates directly into lower monthly heating bills and reduced environmental impact through decreased fuel consumption and emissions.

Beyond the boiler’s inherent efficiency, proper installation techniques maximize energy savings through optimal system configuration. Our responsive support staff offers customized solutions to fit your budget, helping you understand available rebates and incentives for high-efficiency equipment installation. We configure your new boiler system with outdoor reset controls that adjust water temperature based on outdoor conditions, preventing energy waste during milder weather while maintaining comfort during extreme cold. Proper pipe insulation, strategic placement of components, and careful attention to system balancing all contribute to maximizing your return on investment through reduced operating costs.

Maintenance and Long-Term Performance

The quality of your boiler installation directly impacts its longevity and maintenance requirements over its operational lifetime. Proper installation techniques prevent common problems such as short cycling, uneven heating, excessive noise, and premature component failure. We establish appropriate water treatment protocols during installation to prevent scale accumulation and corrosion that can dramatically shorten equipment life. Regular maintenance becomes more straightforward and effective when the initial installation follows best practices and manufacturer guidelines.

Our installation service includes comprehensive system commissioning where we verify proper operation of all components, adjust combustion settings for optimal efficiency, balance water flow through heating zones, and document system parameters for future reference. We provide detailed guidance on recommended maintenance schedules and explain warning signs that indicate potential issues requiring professional attention. This educational component ensures you understand your new boiler system’s operation and can make informed decisions about its care and maintenance, protecting your investment for decades of reliable service in your Lombard home.

Boiler Installation in Lombard, IL

Boiler Installation in Lombard, IL

Boiler Installation ∴ Lombard, IL

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Family Owned and Operated Since 1997

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Keep all your heating and air conditioning systems running at peak performance with an Oasis Plumbing, Heating & Cooling Energy Savings Program. You can avoid seasonal emergencies, extend the life of your equipment and save money on equipment costs and energy over the life of your systems.

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Featured Five-Star
Customer Reviews

The folks with Oasis showed up right on time and replaced my entire furnace and condenser in about 4.5 hours. I had just redone my laundry room where the furnace is and they took great care not to damage anything. Overall very happy with the service and very happy with how respectful the installers were.

Josh D.

I had a great experience with Oasis. Our furnace had issues on Thursday night and Oasis came at 7am the next morning, and we found out we needed a new one. They provided all the necessary information to our condo building so we could get an emergency replacement on Saturday morning. Within 36 hours we had a brand new furnace and the installation team did a great job communicating on their work and how to use the furnace. The owner, Mike, and his team are great and I really appreciated the attention they gave to this matter. I would highly recommend and will only go to them in the future.

Shane H.

I called Oasis this morning because my furnace was not working. Within 20 minutes their technician, Danny, arrived. Danny was able to assess the situation, provide an immediate fix, and even commit to returning Monday morning to provide additional services needed. Danny was friendly, informative, professional and FAST! I am thankful I called Oasis for my immediate heating needs and that Danny was the technician who arrived. Top notch service! Highly recommend.

Megan R.

I have been using Oasis since 2019. They are reliable, efficient, and their prices are reasonable. The customer service is amazing. Every tech I’ve had come out is knowledgeable, friendly, and professional. The owner, Mike, is hands on and works with you every step of the way. Highly recommend Oasis.
Services include: furnace and AC replacement; annual maintenance.

Nicole U.

Danny and the folks at Oasis got us a great deal on a new furnace and AC. The install took about 4 hours, and they were also super responsive throughout the process. It was about as good of an experience I’ve had with an HVAC company. I’d highly recommend!

Brian C.

Oasis is great! My furnace is almost 30 years old and for a reasonable price they were able to do the repairs. First Danny came to evaluate. He showed me what was wrong. They had to order the necessary parts to fix it. Today Hani and Fernando came to do the repair. They were efficient and courteous. I will definitely use Oasis in the future.

Emily H.

Oasis has always been great to work with and their staff are quick and efficient if issues arise. When our air conditioning broke down during the heat of the summer, they provided a quick replacement at a competitive price. Their staff are always extremely kind, respectful, and knowledgeable.

Sam C.

Oasis was incredibly responsive and efficient! My call to them on a Friday night during a cold spell was returned within 10 minutes and he scheduled a tech to come to my home at 7 the following morning. At 7 the tech was there, examined my furnace confirming that a new motor was necessary. He searched for the part, sent a quote and returned with the motor by noon the same day to install it. You can’t beat that!!! I will be using Oasis for all my future furnace and A/C needs.

Gayle V.
Michelle E Moy
20 hours ago
Joseph and Kwee showed up on time and were very polite. We promptly went to basement where the PVC pipe for my HVAC drainage had snapped in half. Joseph took a look and told me exactly how he was going to fix/replace the broken pipe. I was in a rush because I was on a client call when they arrived (my fault for not checking my calendar). As I ran upstairs, Joseph asked if I wanted to review pricing, which would have slipped my mind had he not stopped me. I’m very grateful he took the initiative to do that. I was surprised at the price of $225 as other companies had quoted me much higher prices. Once that was agreed upon, Joseph and Kwee got to work and were finished in about 20 minutes. The process was seamless and they were careful about being quiet as they were leaving to not disrupt my call. I will definitely be calling Oasis for my next plumbing job. Before and after pics attached. Thank you, guys!
Bill Nguyen
1 day ago
We have relied on Oasis for years, installing our furnace, maintaining our furnace and a/c, and cleaning our ducts. They are always professional and reliable.
Luis Quinones
4 days ago
Super responsive, great service. Everyone was incredibly nice throughout. Couldn’t ask for much more.
Wayne Duan
4 days ago
I've been using Oasis for my annual HVAC maintenance, as well as various HVAC and water heater repairs for the past ~5 years. They are consistently prompt, polite, and efficient. Every technician has been professional, reliable, and clear in their communication. Highly recommend!"
We had Oasis come out to identify a bathroom tub leak. The two guys were helpful, very friendly, and explained everything that was going on in great detail. They really educated us on what our issue was and identified the potential problems in a matter of minutes. Would def recommend.
Michelle Drake
5 days ago
Timely, professional and informative.
Kaitlin Meyer
5 days ago
Mark G was great. Highly recommend
Spencer Veltema
5 days ago
Oasis Heating and Cooling are definitely the people I recommend for HVAC situations. They’ll be honest with you about what’s going on and what your options are. They may not be the absolute cheapest option but you get what you pay for, and one visit from them compared to multiple visits from someone who is dirt cheap is going to be worth it in the long run.
Matty H
5 days ago
Joseph was very knowledgeable and professional. He explained the issue with my A/C and fixed it promptly, even tackling an unrelated request during the same visit.
Kelsey Rayford
1 week ago
Super detail oriented and fair pricing. Will use them every season!
Response from the owner:Thank you, Kelsey! We appreciate your kind words and are glad to hear you value our detail-oriented approach and fair pricing. Looking forward to serving you every season!
Melanie Makhija
1 week ago
Response from the owner:Thank you for your review, Melanie! We appreciate your support and look forward to serving you again.
Billie Morrow
1 week ago
On time, very professional, explained everything and cleaned up nicely when the job was completed
Response from the owner:Thank you, Billie! We appreciate your kind words about our professionalism and attention to detail. It's great to know you had a positive experience.
Courtney Kendal
1 week ago
Response from the owner:Thank you, Courtney, for taking the time to leave a review. We appreciate your support!
Technicians Joseph and Bill were really great! Punctual, friendly, explained everything in a way that was easy to understand. I highly recommend.
Response from the owner:Thank you, Colette! We're glad to hear that Joseph and Bill provided you with great service and made everything easy to understand. Your recommendation means a lot to us!
Rossy Jimenez
1 week ago
Response from the owner:Thank you, Rossy, for taking the time to leave a review. Your feedback is appreciated!
Vanessa Banks
1 week ago
Joseph did a great job. My AC unit is on its last leg. He explained in detail the problem and gave me an estimate of the approximate cost of a new unit installation.
Response from the owner:Thank you, Vanessa! We're glad to hear that Mark's efforts made a positive impact. Your feedback means a lot to us!
Deanna Charles
2 weeks ago
Response from the owner:Thank you, Deanna, for your review! We appreciate your support and look forward to serving you again.
searah deysach
2 weeks ago
We've used Oasis for years. They come when they say they will, the are friendly and they get the job done, usually very quickly !
Response from the owner:Thank you, Searah! We appreciate your loyalty and are glad to hear that our team consistently meets your expectations with friendly and efficient service.
Frank Bruno
2 weeks ago
Danny was professional and efficient. He identified the issue immediately. We have used Oasis for a very long time. We keep coming back. Always great!
Response from the owner:Thank you, Frank! We're glad to hear about your positive experience with Danny and appreciate your loyalty to Oasis. Looking forward to serving you again!
I have known Mike for over 25+ years. His crew has installed new heating and cooling systems for me, with vents and ductwork installation, hot water heaters and has serviced and maintained same over the years. They are reliable and always available when you need them. Recently, he replaced the heating and cooling system at my parent's house. He came out right away to assess and provide an estimate for the work and 3 days later my parents had their new system to initiate the winter season worry-free. His crew is punctual, very professional and very knowledgeable in their work. I recommend Oasis without reservation.
Response from the owner:Thank you, Leticia! We truly appreciate your kind words and loyalty over the years. It's great to hear that Mike and the team have consistently met your needs and those of your parents. Your recommendation means a lot to us!
Neela Persaud
2 weeks ago
We had a new AC and furnace replaced in our condo. The work was completed on a Monday. On Saturday morning, there was a lot of water coming down into the utility closet. We called in to the office immediately and since it was a holiday weekend, there was no availability until Tuesday morning. Saturday evening, as the dripping continued, it dripped into the pan the unit was sitting in, causing the safety switch to shut down the AC. We texted Naim, the estimator, who reached out to the GM. On Sunday morning, Mike and Alan came out to diagnose the problem. They found out that the new installation was not the problem. The water was coming from the condo unit above us. They went above and beyond by going to the unit and cleaning out the blocked pipe that was the source of the problem. This was done at no charge to us; pretty sure not yo the neighbors upstairs either. I would highly recommend Oasis.
Response from the owner:Thank you, Neela, for your wonderful review! We're glad to hear that Naim, Mike, and Alan were able to assist you promptly and go the extra mile to resolve the issue. Your recommendation means a lot to us!
Sarah Herweg
2 weeks ago
We had Joseph come out to do maintenance on a bad capacitor - he was very communicative, quick and anticipated what it was based on my description on the phone! Really appreciate the excellent service
Response from the owner:Thank you so much, Sarah! We truly appreciate your support and are glad you had a great experience. We're here for all of your HVAC and Plumbing needs!
Tony Werner
2 weeks ago
Joseph was great. Super helpful and totally clear. Would def use again.
Response from the owner:Thank you, Tony! We're glad to hear that Joseph was helpful and clear in assisting you. We look forward to serving you again!
michael parker
2 weeks ago
Easy to schedule and coordinate, service tech arrived on time and performed the necessary work in a timely matter, making only one recommendation for a minor component replacement in 12 months. Friendly and polite. I will use Oasis again next time need service or a system checkout!
Response from the owner:Thank you, Michael! We're glad to hear that scheduling was easy and that our service tech was friendly and efficient. We appreciate your trust in Oasis and look forward to assisting you again in the future!
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$99 Drain Clearing

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Drain clearing offer valid for one residential drain. Additional charges may apply for main line stoppages, difficult access, multiple drains, or additional services. Repairs not included. Cannot be combined with other offers.

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09/30/2026
$77 Off Repair

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Offer valid on qualifying residential repair services only. Diagnostic fees, maintenance services, replacements, and new installations are not eligible. Cannot be combined with other offers or prior sales.

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09/30/2026
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Lombard, IL