How long does a gas boiler installation take?

Most gas boiler installations are completed in a couple of hours , though larger or more complex systems may take longer. We'll give you a clear timeline before we begin.

How much does a new gas boiler cost?

The cost depends on the size and efficiency of the system your home needs. We provide a detailed, upfront quote after assessing your home, so there are no surprises.

How do I know if I should repair or replace my gas boiler?

It depends on: Your unit's age The cost of repair How often the system needs service We'll give you an honest recommendation, without any pressure to replace a system that still has useful life left.

Do you offer financing for gas boiler installation?

Yes. We offer financing through GoodLeap and Service Finance, and we can help you take advantage of available federal tax credits, rebates, and state incentives.

What brands of gas boilers do you install?

We install trusted, energy-efficient gas boiler brands, including Lennox ® and Rheem ® & Ruud ® , chosen for their reliability and long-term performance.

Is my new gas boiler installation guaranteed or under any warranty?

Yes. Every gas boiler installation is backed by the Neighborly Done Right Promise ® , which is our workmanship warranty. It’s our commitment to making it right if something isn't done the first time properly. If you’re unsatisfied with your installation, contact us within 60 days of service so we can return to fixing it.

Expert Gas Boiler Installation & Replacement in Fairfield, CT

Reliable Gas Boiler Installation When It's Time for a New System

A gas boiler typically lasts around 15 years, and an aging unit can cost you more in repairs and energy bills than it's worth. Aire Serv of Southwest Connecticut installs high-efficiency gas boilers from trusted brands like Lennox^®, Mitsubishi^®, and Daikin^®, with transparent, upfront pricing and no pressure to buy more than you need.

As a family-owned, BBB-accredited business, our team is here to answer your call 24 hours a day, offer emergency support on weekends and some holidays, and ensure your boiler installation is completed right the first time.

Schedule your free gas boiler installation estimate and get the safe, reliable support you need.

Reliable Gas Boiler Installation When It's Time for a New System

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Why Fairfield County Homeowners Trust Us for Gas Boiler Installation

You'll see a detailed, easy-to-read proposal before we start, so you know exactly what your new gas boiler installation costs before committing.
We'll tell you if a repair still makes sense. We only recommend replacement when it's genuinely the better option for your home and budget.
We offer financing through GoodLeap and Service Finance, plus help with available tax credits and rebates, to make a new system more affordable.

Our Gas Boiler Installation Process for the Fairfield Community

Replacing a gas boiler is a big decision, so we keep the process straightforward and transparent from start to finish.

Free In-Home Assessment: We evaluate your current gas boiler, your home's heating needs, and your budget.
Honest Recommendation: We'll tell you whether repair or replacement makes more sense, with no pressure either way.
Upfront Written Quote: You'll see a clear price for your new gas boiler before you commit to anything.
Professional Installation: Our technicians install your new system safely and correctly, following all local codes.
Final Walkthrough & Warranty Registration: We walk you through your new gas boiler and register the equipment warranty on your behalf.

Why Fairfield Gas Boiler Installation Is Not a DIY Project

Installing a gas boiler involves combustible fuel, venting, pressurized water, and electrical work, and Fairfield County's local codes make professional installation essential.

Toxic Gas Buildup: Faulty venting or improper combustion can lead to dangerous, odorless carbon monoxide accumulation inside your home.
Gas Line & Leak Hazards: Boiler connections demand precise sealing and pressure testing, as even minor leaks present serious fire or explosion risks.
Local Code & Licensing Requirements: Fairfield County mechanical and fuel-gas regulations mandate certified technicians and official inspections to keep your installation safe and fully compliant.
High-Voltage Electrical Dangers: Improperly wiring or handling modern boiler controls risks severe electrical shock and can permanently damage sensitive circuitry.
Warranty Forfeiture: Attempting a DIY installation or hiring an uncertified installer can instantly void your manufacturer's warranty coverage.

Don't risk your Fairfield home’s safety on a DIY gas boiler installation. Reach out to our dedicated experts to ensure you and your loved ones are protected.

Contact our professionals today to schedule your free estimate with a licensed technician.

4 Reasons It's Time for a Gas Boiler Upgrade

If your gas boiler is showing its age, these signs can help you decide whether repair or replacement makes more sense:

Age: Once your gas boiler passes 15 years old, replacement often makes more financial sense than continued repairs.
Uneven or Slow Heating: If it takes longer to heat your home, or some rooms stay cold, your system may be losing efficiency.
Frequent Repairs: If you're calling us often for the same unit, a new gas boiler can save you money over time.
Rising Utility Bills: An aging gas boiler works harder to do the same job, which shows up on your energy bill.

Whatever stage your gas boiler is at, we'll give you an honest recommendation, walk you through your options, and handle the entire installation with care.

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4 Reasons It's Time for a Gas Boiler Upgrade

The Aire Serv Advantage

Aire Serv of SWC

We install and replace gas boilers throughout Fairfield and the surrounding area, including Trumbull, Norwalk, Westport, Stratford, Darien, and Southport. Wherever you’re located in Southwest Connecticut, our local technicians are ready to help you upgrade your heat.

HVAC Services in SWC and Surrounding Areas

Beyond gas boiler installation and replacement, our Fairfield County team provides ductless mini-split installation, water heater repair, smart thermostat setup, annual HVAC maintenance, and commercial heating services. Whatever keeps your space comfortable, our knowledgeable technicians are ready to help.

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FAQs About Gas Boiler Installation & Replacement in Fairfield, CT

Most gas boiler installations are completed in a couple of hours, though larger or more complex systems may take longer. We'll give you a clear timeline before we begin.
The cost depends on the size and efficiency of the system your home needs. We provide a detailed, upfront quote after assessing your home, so there are no surprises.
It depends on:
- Your unit's age
- The cost of repair
- How often the system needs service
We'll give you an honest recommendation, without any pressure to replace a system that still has useful life left.
Yes. We offer financing through GoodLeap and Service Finance, and we can help you take advantage of available federal tax credits, rebates, and state incentives.
We install trusted, energy-efficient gas boiler brands, including Lennox^® and Rheem^® & Ruud^®, chosen for their reliability and long-term performance.
Yes. Every gas boiler installation is backed by the Neighborly Done Right Promise^®, which is our workmanship warranty. It’s our commitment to making it right if something isn't done the first time properly. If you’re unsatisfied with your installation, contact us within 60 days of service so we can return to fixing it.

Residential
Commercial