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10-15% of Connecticut homes heat with propane — mostly rural areas without natural gas lines. At $3.40/gallon, the typical CT propane household spends ~$2,800/year on heat. A cold-climate heat pump cuts that to ~$1,100 — saving $1,700+ every year.
Last updated: March 2026
CT homeowners switching from propane to a cold-climate heat pump save approximately $1,700 per year in heating costs. Propane at $3.40/gallon costs ~$2,790/year for a typical 2,000 sq ft home (820 gallons). A heat pump at $0.27/kWh (Eversource) with a COP of 3.0 costs ~$1,100/year for the same heating output — and provides air conditioning in summer at no additional equipment cost.
Based on CT propane at $3.40/gallon (85% AFUE furnace) vs. cold-climate heat pump at $0.27/kWh (COP 3.0). Includes heating season only.
| Home Size | Sq Ft | Propane (gal/yr) | Propane Cost | Heat Pump Cost | Annual Savings |
|---|---|---|---|---|---|
| Small | 1,200 | 450 | $1,530 | $780 | $750 |
| Medium | 2,000 | 820 | $2,790 | $1,100 | $1,690 |
| Large | 3,000 | 1,200 | $4,080 | $1,580 | $2,500 |
How We Calculated
Propane: BTU needed = gallons x 91,500 BTU/gal x 0.85 AFUE. Heat pump: same BTU output / COP 3.0 / 3,412 BTU per kWh x $0.27/kWh. Propane prices reflect CT average of $3.40/gallon (winter 2025-26 EIA data). UI customers at $0.28/kWh would see slightly higher heat pump costs but still save significantly.
Propane escalation: ~5%/year (historical CT average). Electricity escalation: ~2%/year. Medium home (2,000 sq ft).
| Year | Propane | Heat Pump | Annual Savings |
|---|---|---|---|
| 2026 | $2,790 | $1,100 | $1,690 |
| 2027 | $2,930 | $1,120 | $1,810 |
| 2028 | $3,075 | $1,140 | $1,935 |
| 2029 | $3,230 | $1,165 | $2,065 |
| 2030 | $3,390 | $1,190 | $2,200 |
| 2031 | $3,560 | $1,215 | $2,345 |
| 2032 | $3,740 | $1,240 | $2,500 |
| 2033 | $3,925 | $1,265 | $2,660 |
| 2034 | $4,120 | $1,290 | $2,830 |
| 2035 | $4,330 | $1,320 | $3,010 |
| 10-Year Total | $35,090 | $12,045 | $23,045 |
Over 10 years, a heat pump saves you $23,045 compared to propane.
That is before Energize CT rebates ($2,500-$10,000) reduce your upfront equipment cost. With rebates factored in, total net savings over 10 years can exceed $30,000.
We believe in honest advice. There are a few narrow scenarios where keeping propane may be reasonable — at least temporarily.
If you just installed a 95%+ AFUE condensing propane furnace in the last 2-3 years, the payback math shifts. You have already sunk the capital. Consider a heat pump when that furnace reaches end-of-life (15-20 years) rather than replacing it early.
A dual-fuel system (heat pump primary + propane backup below 10-15 degrees F) can reduce electricity costs during rare extreme cold events. However, CT rarely drops below 0 degrees F, so this scenario is uncommon. Most homeowners find the heat pump handles everything.
Older CT homes with 100-amp panels may need an upgrade ($2,000- $4,000) to support a heat pump, especially ducted systems. If your panel is maxed and budget is tight, a dual-fuel approach with smaller mini-splits can work without a panel upgrade.
If you are selling your CT home soon, the 4-7 year payback timeline may not fully materialize. However, heat pumps do increase home value — NEEP estimates $10,000-$15,000 in resale value for homes with modern HVAC.
For the vast majority of CT propane households, a heat pump is the clear financial winner. Here is why:
At $3.40/gallon, most CT homes spending $2,000+ on propane will save $1,000-$2,500 annually with a heat pump — enough to pay off the system in 4-7 years even without rebates.
Older propane furnaces run at 78-82% AFUE. You will need to replace it soon anyway. A heat pump provides both heating AND cooling with 280-320% effective efficiency (COP 2.8-3.2).
Propane provides zero cooling. If you are buying window AC units or a central AC system separately, a heat pump replaces both your furnace AND AC with one system — saving $3,000-$5,000 in avoided AC equipment costs.
No more scheduling propane deliveries, worrying about tank levels in January, or paying minimum delivery surcharges. A heat pump runs on electricity that is always available.
Energize CT Energy Optimization rebates ($1,000/ton, max $10,000) can cover 50-70% of your heat pump cost. Combined with Smart-E Loan at 0.99% APR, your monthly payment is often less than your current propane bill.
Propane emits 12.7 lbs CO2 per gallon. A heat pump powered by CT grid electricity (increasingly clean with offshore wind and nuclear) produces 50-70% fewer emissions per unit of heat delivered.
Connecticut offers some of the most generous heat pump incentives in New England, making propane-to-heat-pump conversions highly affordable.
Maximum $2,500 total
Maximum $10,000 total
CT Green Bank
Smart-E Loan
APR
Terms up to 20 years
Up to $50,000
Covers heat pump + insulation + tank removal
A $15,000 heat pump system at 0.99% APR over 15 years = ~$90/mo. Your current propane bill is likely $230+/mo during heating season. You save from day one.
Federal Tax Credits No Longer Available
The federal 25C energy efficiency tax credit expired December 31, 2025. There is no federal tax credit for residential heat pump installations in 2026. Energize CT state rebates and the Smart-E Loan are your primary incentives.
Unlike oil tanks, propane tank removal is usually simpler and cheaper — especially if you lease your tank.
Most CT propane tanks are leased from the delivery company. Contact them to schedule pickup — they remove leased tanks at no charge. Give 30 days notice and use remaining propane first.
If you own your above-ground tank, a contractor can remove it for $200-$500. Alternatively, you may be able to sell it. Empty the tank first and get a receipt showing it was properly purged.
Underground propane tanks are less common than underground oil tanks, but they exist. Removal costs $500-$1,500 with potential soil testing. CT DEEP may require documentation for decommissioning.
A 7-8 kW solar system can offset your entire heat pump electricity cost — effectively reducing your heating bill to $0. CT net metering credits your solar production at retail rates. Combined with Energize CT rebates, this is the fastest path to energy independence for rural CT homes currently on propane.
See CT Solar CostsThe typical CT homeowner using 820 gallons of propane per year ($2,790 at $3.40/gal) saves approximately $1,690 annually by switching to a cold-climate heat pump operating at $0.27/kWh (Eversource) with a COP of 3.0. Larger homes using 1,200+ gallons save over $2,500/year.
Yes. Connecticut has approximately 5,800 heating degree days and design temperatures around 5-10 degrees F. Modern cold-climate heat pumps operate efficiently down to -13 to -15 degrees F, well below CT winter lows. These units maintain a COP of 2.8-3.2 in typical CT conditions, making them far more efficient than propane furnaces at 80-90% AFUE.
Energize CT offers Standard rebates of $250/ton (up to $2,500) for heat pump installations. If you complete a Home Energy Solutions assessment and air sealing/insulation work first, you qualify for Energy Optimization rebates of $1,000/ton (up to $10,000). The Smart-E Loan through CT Green Bank offers financing at 0.99% APR.
If you own your propane tank, you can sell it or have it removed. Above-ground tanks cost $200-$500 to remove. If your tank is leased from a propane company (most common in CT), contact them to schedule pickup — most remove leased tanks at no charge. Underground propane tanks cost $500-$1,500 to remove with any required soil testing.
With a typical system cost of $12,000-$18,000 and Energize CT Energy Optimization rebates up to $10,000, the net cost can be as low as $2,000-$8,000. At $1,690/year in savings for a medium home, payback is 1-5 years with full rebates. Even with standard rebates only ($2,500 max), payback is 5-8 years.
A dual-fuel setup (heat pump + propane backup) is reasonable for the first winter if it gives you peace of mind. Most CT homeowners find the heat pump handles 95%+ of heating hours. After one full winter, many disconnect the propane and cancel their delivery contract. Keeping propane as backup means ongoing tank rental fees and minimum delivery charges.
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Get a free heat pump quote and see how much you can save. Energize CT rebates up to $10,000 and Smart-E Loan at 0.99% APR make this the best time to switch.