If your furnace is near the end of its life, you are facing a real decision: replace it with a new gas furnace or switch to a heat pump. Both work in Berkeley. The upfront costs, operating economics, and regulatory trajectory are different enough that the choice is worth making carefully.
Aarvaks installs both — gas furnace installation starting at $7,500 and heat pump installation starting at $17,000. Here is the honest comparison.
Upfront Cost
A gas furnace installation starts at $7,500. A heat pump installation starts at $17,000 for a single-zone residential system. The gap is real.
One thing closes it. A heat pump replaces both your furnace and your central AC. If your AC also needs replacement, you are not comparing $7,500 vs. $17,000 for heating alone — you are comparing one system handling both functions versus two separate replacements.
If your AC is recently replaced and working well, the gas furnace is cheaper upfront by a substantial margin. If both systems need to go, the effective gap narrows.
Operating Cost
Heat pumps move heat rather than generating it. The City of Berkeley’s BESO guide says that by transferring rather than directly generating heat, heat pumps are much more efficient than gas furnaces and electric-resistance systems. Whether that means lower monthly bills in your home depends on your PG&E electricity and gas rates and how you use the home, so we compare both options in the written estimate.
The BAAQMD 2029 Zero-NOx Rule
Starting in 2029, only zero-NOx furnaces can be sold or installed in the Bay Area, and currently the only zero-NOx appliances available are electric. The rule applies to new appliances only and does not require replacing a working furnace.
A gas furnace installed before 2029 is legal and can run its service life.
Berkeley Climate: What Heat Pump Performance Actually Looks Like Here
A standard air-source heat pump loses heating capacity as the outdoor temperature drops below about 30°F, according to a U.S. Department of Energy Building America report. Berkeley’s winters are mild: at NOAA’s Berkeley weather station, average daily lows are 42°F in January and 43°F in December (1981–2010 normals).
Who Should Choose a Heat Pump
- Homes that need both heating and cooling replacement — one heat pump handles both; the upfront premium looks different when AC replacement is already in the budget
- Homeowners planning to stay long-term — a heat pump is already a zero-NOx system when the Air District’s 2029 furnace standard takes effect
Who Should Choose a Gas Furnace
- Homes where the AC is recently replaced and working — furnace-only replacement at $7,500 is the practical choice when you do not need the heat pump’s cooling function
- Shorter ownership horizon — at Aarvaks’ starting prices, a heat pump starts at $17,000 and a gas furnace at $7,500
- Budget constraints — the premium is real; a gas furnace delivers reliable heat at a lower entry price
- Commercial applications with higher heating loads — gas economics can differ for commercial systems; the right answer varies by building and load profile
Aarvaks installs both systems. The numbers above are the same numbers you would see in a written estimate from us.
Frequently Asked Questions
What is the upfront cost difference between a heat pump and a gas furnace in Berkeley?
Gas furnace installation at Aarvaks starts at $7,500. Heat pump installation starts at $17,000 for a single-zone residential system. If your home also needs AC replacement, a heat pump replaces both systems — narrowing the effective cost gap compared to replacing heating and cooling separately.
Do heat pumps work well in Berkeley’s climate?
A standard air-source heat pump loses heating capacity as the outdoor temperature drops below about 30°F, according to a U.S. Department of Energy Building America report. Berkeley’s winters are mild: at NOAA’s Berkeley weather station, average daily lows are 42°F in January and 43°F in December (1981–2010 normals). The City of Berkeley counts a heat pump that heats all conditioned areas of a home as a full six-credit BESO upgrade.
What is the BAAQMD zero-NOx rule, and how does it affect my furnace decision?
Starting in 2029, only zero-NOx furnaces can be sold or installed in the Bay Area, and currently the only zero-NOx appliances available are electric. The rule applies to new appliances only and does not require replacing a working furnace. A gas furnace installed before 2029 is legal and can run its service life.
Can a heat pump fully replace both my furnace and central AC?
Yes. A ducted air-source heat pump provides both heating and cooling from one system, replacing your furnace and your central AC. This dual function is one reason the cost comparison between a heat pump and a gas furnace should account for AC replacement timing — if both systems are due, the effective gap between options is smaller than it appears when comparing heating alone.
Are there tax credits or rebates available for heat pump installation in the East Bay?
The federal Section 25C tax credit covered improvements made through December 31, 2025, so it does not apply to systems installed in 2026. BayREN’s EASE Home program covers 80% of the cost of weatherization upgrades such as insulation and duct sealing for income-qualified households; heat pump equipment may have to be paid for in full. See current East Bay rebates.
Is it still worth installing a new gas furnace in Berkeley in 2026?
In specific situations, yes. If your central AC was recently replaced and is working well, a gas furnace avoids paying for a heat pump’s cooling function you don’t yet need. If budget is the constraint, a gas furnace starts at $7,500 versus $17,000 for a heat pump. A gas furnace installed before 2029 is legal and can run its service life. Aarvaks will give you written numbers for both.
Get a Quote on Either System
We install both gas furnaces and heat pumps. You will get the same written estimate and the same honest assessment either way. Founded 1929.
Nearly a Century of East Bay HVAC Service
Aarvaks has been in Berkeley since 1929. Owner Jason Hanson built his career at one of the East Bay’s most respected HVAC companies before acquiring Aarvaks in 2025, bringing his top technicians with him. Aarvaks was recently named the top HVAC company in the East Bay by Bay Area Service Hub. All installations include a 10-year limited parts warranty and 3-year labor warranty.
97
Years serving
Berkeley and the East Bay
4.9★
Average Google rating
BBB Accredited
10yr
Limited parts warranty
3yr labor, 5yr with maintenance plan