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Oasis Plumbing, Heating & Cooling Offers Seasonal Maintenance Plans

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

Make Your Home An Oasis

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

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.

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.

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.

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.

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.

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.

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.

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.
Andrew Hayworth
2 days ago
Katrina Ta
2 days ago
Mike responded quickly and luckily was nearby so came over pretty fast as well. He was off the clock but still came because I wouldn’t have heat on that cold winter night if my furnace didn’t get fixed. He also explained what went wrong and gave me some tips in case a similar situation occurs in the future. Was reasonably priced as he didn’t charge for the new fuse, overtime, etc. Will definitely use Oasis again for future HVAC needs! Oct 2026: Update - Oasis continues to be my HVAC company, they also do biannual HVAC maintenance for our mid-rise building, and is the company who provides services to all our residents. Naem is usually the person who comes for services and he’s very knowledgeable, helpful, and professional. Everyone who has been here were nothing short of polite and respectful. I will be using Oasis’ services indefinitely! Thank you to such a wonderful team!
Response from the owner:Thank you, Katrina, for your wonderful review! We're glad Mike was able to assist you quickly and provide valuable insights. Your support means a lot, and we look forward to helping you with your future HVAC needs!
Zainab Osman
3 days ago
Great and clean installation
Response from the owner:Thank you, Zainab, for your kind words about the installation! We're glad to hear you found it great and clean. Your feedback means a lot to us!
Ted Devlin
3 days ago
They have replaced both my original AC and furnace over the years and kept them in tip top shape. Workers are always on time for maintenance and the few issues I had with pressure switches in my Rheem furnace. Highly recommend.
Response from the owner:Thank you, Ted! We appreciate your trust in us for your AC and furnace needs and are glad to hear about your positive experiences with our team. Your recommendation means a lot to us!
Colleen Olsen
3 days ago
Very professional and efficient
Response from the owner:Thank you, Colleen! We appreciate your kind words about our professionalism and efficiency.
MJM Moore
4 days ago
Joseph was great. On time. Super nice. Serviced everything as asked!
Response from the owner:Thank you, Mjm! We're glad to hear that Joseph provided great service and met your expectations. We appreciate your feedback!
Jonathan
4 days ago
Fernando’s installation was very thorough and efficient. I had two hvacs replaced with new furnace and air conditioning. He went above and beyond to make sure all my zoned hvac system were calling properly since there were some issues with the dampers and control panel. Joseph came out a week later to top off the coolant since the AC wasn’t strong enough. Very professional and thorough. They are a top-notch team and would gladly use them again.
Response from the owner:Thank you, Jonathan, for your wonderful review! We're glad to hear that Fernando provided thorough and efficient installation and that Joseph followed up to ensure everything was working perfectly. We appreciate your support and look forward to serving you again!
Ben Salley
4 days ago
Very knowledgeable, nice, and super helpful. Got it fixed and explained what was wrong
Response from the owner:Thank you, Ben! We're glad to hear you found our service knowledgeable and helpful. It's great to know we could fix the issue and explain everything clearly.
Andrew Rojecki
5 days ago
Prompt, efficient, and knowledgeable.
Response from the owner:Thank you, Andrew! We appreciate your kind words about our team's promptness, efficiency, and knowledge.
Mary Taylor
5 days ago
Efficient and courteous service.
Response from the owner:Thank you, Mary, for your kind words about our efficient and courteous service. We appreciate your feedback!
Win Villamora
5 days ago
Did not actually fix the problem. Recommended getting a new furnace.
Response from the owner:Thank you for your feedback, Win. I'm sorry to hear that the issue wasn't resolved and appreciate you sharing your experience. If there's anything else we can assist you with, please let us know.
Kevin Murphy
5 days ago
Response from the owner:Thanks Kevin. We’re thrilled that you were satisfied with our services. Your feedback is appreciated, and we hope to be of help again soon!
Rachelle Rasich
5 days ago
Response from the owner:Thank you, Rachelle, for taking the time to leave a review. We appreciate your support!
Brad Herrmann
5 days ago
Very honest. They don't try to upsell you or charge you for things you don't need.
Response from the owner:Thank you, Brad! We appreciate your kind words and are glad to hear you value our honesty and straightforward approach.
Lucy Kaplan
5 days ago
Prompt and pleasant service. Highly recommend. 2026 Update: Just had my 20 tr old AC unit serviced by Joseph from Oasis. He was prompt and polite. He explained everything he was doing. Very happy with this company and strongly recommend them. My update for my fall service call is exactly the same as above except that he was able to come early and I was very happy to accommodate him! Excellent!
Response from the owner:Thank you so much for your business and feedback, Lucy! If any of your friends or family need help, please let them know about us!
Anna Kozlowski
6 days ago
Oasis team is professional and great to do business with. They are on time.
Response from the owner:Thank you, Anna, for your kind words about the Oasis team; we appreciate your support and are glad to hear you had a great experience with us!
A R
6 days ago
I have used Oasis once for HVAC maintenance and twice for plumbing issues. Each appointment has been a pleasant experience. The HVAC technician and plumbers have all been courteous and performed good work, and clearly explained the work done.
Response from the owner:Thank you for sharing your positive experiences with us, A! We're glad to hear that our HVAC technician and plumbers provided courteous service and clear explanations. Your support means a lot to our team!
Kent Brooks
6 days ago
Well mannered, professional, provided clearly.
Dan J
1 week ago
Worked with Joseph for some standard maintenance to our AC and Furnace. Very professional and honest, didn’t push to upsell anything but gave good recommendations.
Katie Reese
1 week ago
Joseph did a great job of looking at the system in my new home. He went through how the it is running and any concerns I have. He took the time to ensure I understood everything. Highly recommend!
Becky Kaplan
1 week ago
Professional and courteous service at a reasonable price.
Response from the owner:Thank you, Becky, for your kind words about our professional and courteous service; we appreciate your feedback!
Gregory Surber
1 week ago
We are very happy with choosing Oasis for our hvac seasonal maintenance and service. Service techs Fernando and Naem are very pleasant and thorough. We highly recommend Oasis.
Response from the owner:Thank you, Gregory, for your kind words and recommendation; we're glad to hear you had a great experience with Naem!
Ben Piper
1 week ago
Quy was extremely thorough and professional.
Response from the owner:Thank you, Ben! We appreciate your kind words about Quy and are glad to hear you had a great experience.
Response from the owner:Thank you, William, for taking the time to leave a review. We appreciate your feedback and are here to help if you have any further thoughts to share!
Dipali Engel
1 week ago
Response from the owner:Thank you for your feedback, Dipali! We appreciate you taking the time to share your thoughts.
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Same-day and next-day installation subject to equipment availability and scheduling. Not all systems or installations qualify. Additional charges may apply. Residential customers only.

Use By
10/31/2026
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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.

Use By
10/31/2026
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Lombard, IL