A properly sized central air system is the difference between a home that's comfortable all summer and one that runs constantly and still can't cool down. We install central AC systems that are sized right, installed clean, and built to last.
It's Hard to Stop a Trane β Installed & Serviced by Airmax in CT & NY
GET A FREE TRANE ESTIMATETrane is known for building HVAC equipment that lasts. Their rigorous testing (every unit tested in extreme conditions before shipping) and heavy-duty construction make them a favorite of contractors and homeowners who value reliability above all else.
Model: 4TTV0 | Central Air Conditioner
Efficiency: Up to 22 SEER2
Variable-speed TruComfort, Climatuff compressor, WeatherGuard top, ComfortLink II compatible
Best for: Homeowners who want top-tier reliability with excellent efficiency
Model: 4TTR6 | Central Air Conditioner
Efficiency: Up to 17 SEER2
Two-stage Climatuff compressor, WeatherGuard top, 10-year warranty
Best for: Solid mid-range efficiency with Trane's famous durability
Model: 4TWV0 | Heat Pump
Efficiency: Up to 20 SEER2 / 10 HSPF2
Variable-speed TruComfort, heating and cooling, all-climate rated
Best for: Year-round comfort with Trane's legendary reliability
| Model | Type | Efficiency |
|---|---|---|
| Trane XV20i Central AC | Central Air Conditioner | Up to 22 SEER2 |
| Trane XR16 Central AC | Central Air Conditioner | Up to 17 SEER2 |
| Trane XV20i Heat Pump | Heat Pump | Up to 20 SEER2 / 10 HSPF2 |
Pricing depends on the equipment selected, the home and the scope of work, so Airmax quotes each job after a site visit rather than publishing ranges. Estimates on installations are free — call (866) 203-0469 or request an estimate. Get your exact quote β
Trane tests every single unit they build in extreme conditions before it leaves the factory. Trane publishes its durability and endurance testing program for residential equipment. Their Climatuff compressors are built for durability, and their WeatherGuard top design protects the outdoor unit from Connecticut's harsh weather.
AC Installation βHeat Pump Installation β
We'll recommend the right Trane system for your home and give you an honest, all-in price.
GET YOUR FREE ESTIMATEChoosing a Trane system isn't just about picking the highest SEER2 number on the spec sheet. The right model depends on your home's insulation, ductwork condition, how many stories you're cooling, and whether you're pairing the outdoor unit with a variable-speed air handler or an older furnace. A variable-speed condenser paired with single-stage ductwork won't deliver the comfort gains you're paying for, so matching components matters as much as the brand name on the box.
Before settling on a model, a contractor should walk through your home and talk through a few things with you:
Installing central air or a heat pump correctly takes more than setting the outdoor unit on a pad and connecting line sets. A technician should perform a Manual J load calculation (or equivalent) rather than just matching the size of the old unit, check that refrigerant lines are properly sized and purged of air and moisture, verify airflow across the coil matches the equipment's rated specifications, and confirm electrical disconnects and breakers meet the new unit's requirements. Skipping any of these steps is one of the most common reasons a new system underperforms or wears out early, even if the equipment itself is high quality.
In older homes throughout Fairfield County and southern Westchester, ductwork was often designed decades ago for a smaller cooling load or for a furnace rather than a heat pump. That makes a duct inspection β checking for crushed runs, disconnected boots, and undersized trunks β a worthwhile step before equipment goes in, not an afterthought.
Many homes in this region mix heating fuels β oil, natural gas, and electric β often alongside older boilers and radiators that were never designed to pair with central air. If you're adding cooling to a home that's only ever had heat, that usually means installing new ductwork or going with a ductless mini-split approach instead. A heat pump option, like Trane's variable-speed models, can also supplement or replace oil or propane heat during shoulder seasons, which is worth discussing if you're already budgeting for new cooling equipment. Utility and state efficiency programs such as Energize Connecticut or NYS Clean Heat may offer incentives for qualifying heat pump installations; eligibility and rules change, so check current program details before assuming a system qualifies.
It depends on your climate design and insulation. Some homeowners keep an existing furnace or boiler as backup heat during the coldest stretches while relying on the heat pump for most of the season; others go fully electric. A load calculation and a conversation about your current heating setup will tell you which approach fits your home.
Not automatically. Efficiency ratings reflect lab conditions, and real-world savings depend on correct sizing, duct condition, and how well the system is installed and maintained. A mid-efficiency unit installed correctly often outperforms a high-efficiency unit that's oversized or poorly matched to the ductwork.
Straightforward replacements where ductwork and electrical are already in place generally take less time than installs that require new duct runs, line set replacement, or electrical upgrades. A site visit is the only reliable way to estimate the scope for your specific home.
Ask what load calculation method was used, confirm the model and SEEER2/HSPF2 ratings match what was quoted, and ask how airflow and refrigerant charge will be verified after startup. A written estimate that spells out equipment, scope, and site conditions is worth more than a phone quote.
Questions about your system? Request a free written estimate or call (866) 203-0469.
Airmax is a Smart-E contractor with the Connecticut Green Bank. Spread the cost of a new system with a Smart-E loan from a local lender, and we'll submit the project details to the Green Bank for you.
Smart-E loans are made by participating Smart-E lenders, not by Airmax. Available for owner-occupied 1β4 unit homes in Connecticut. Subject to lender credit approval; rates and terms are set by the lender and the Connecticut Green Bank. See current Smart-E rates.