HVAC Services in Dover, NH

In a normal year, Dover racks up 6,919 heating and 410 cooling degree days (NOAA 1991-2020 normals). Heating is the bigger job here, and furnaces and heat pumps in Dover put in far more hours than the air conditioner. On average, Dover gets 150 freezing nights and 6 days above 90°F per year. Snowfall averages about 39 inches. For a 2,000 sq ft house, this climate points to a heating load somewhere near 70,000 BTU/h. Treat that as a starting number. A Manual J calculation will move it up or down based on insulation and windows.
Local Price Guide
| Service | Dover estimate |
|---|---|
| Furnace Replacement in Dover | $4,200 to $10,300 |
| Furnace Repair in Dover | $200 to $860 |
| Boiler Replacement in Dover | $7,300 to $16,600 |
| Heat Pump Installation in Dover | $7,300 to $17,900 |
| Heat Pump Repair in Dover | $230 to $1,130 |
| HVAC System Replacement in Dover | $11,300 to $24,500 |
| Ductless Mini-Split Installation in Dover | $4,200 to $9,900 |
| Emergency HVAC Repair in Dover | $330 to $1,330 |
| AC Installation in Dover | $4,100 to $9,400 |
| AC Repair in Dover | $150 to $690 |
| HVAC Tune-Up & Maintenance in Dover | $100 to $290 |
| Air Duct Cleaning in Dover | $390 to $890 |
Homes in Dover
Census figures put the median build year in Dover at 1975, so a typical house here has about 51 years on it. A lot of these homes are on their second or third system by now. The ductwork is usually original, and leaky joints are common. Dover has roughly 7,700 owner-occupied homes, or 51.3% of households. With a median household income of $92,748 and a median home value of $398,500, local labor rates come out above the national middle in our model.
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HVAC Costs in Cities Near Dover
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