Connecticut winters demand reliable heating. Whether you need a high-efficiency gas furnace, an oil-to-gas conversion, a boiler replacement, or a modern heat pump system, Ergon HVAC's factory-trained install team delivers warmth you can count on.

We evaluate your current system, home insulation, ductwork (if applicable), and heating needs with a comprehensive heat loss calculation.
We present furnace, boiler, or heat pump options with efficiency comparisons, operating cost estimates, and available utility rebates.
Factory-trained installers complete the work with proper venting, gas line connections, and safety testing. We coordinate with gas/oil companies as needed.
Complete combustion analysis, CO testing, venting verification, and thermostat calibration. We ensure your new system operates safely and efficiently.
Good
$3,000 – $5,000
Better
$5,000 – $8,000
Best
$8,000 – $12,000
0% financing available on installations over $1,000
See how upgrading an aging HVAC system to a high-efficiency model can dramatically reduce your utility bills.
* Estimated savings based on upgrading to a 20-SEER2 / 96% AFUE system compared to standard efficiency degradation of systems over time. Actual savings depend on usage, insulation, and home size.
Est. Annual Savings
$1,260
~35% reduction
10-Year Savings
$12,600
In your pocket
Get a free, no-obligation estimate today.
$3,000 – $12,000
Depends on system type, brand, and home size
24/7 emergency dispatch. Same-day service for no-heat and no-AC emergencies.
All heating installations include manufacturer warranty plus Ergon HVAC labor warranty. We handle warranty registration and provide ongoing support.
New furnace installation costs $3,000–$12,000 in Connecticut. A standard 95% AFUE gas furnace costs $4,000–$6,000 installed. High-efficiency modulating furnaces cost $7,000–$10,000. Oil furnaces run $4,500–$8,000. Heat pump systems cost $5,000–$12,000. Pricing includes all permits and inspections.