Gas Furnace to Heat Pump Conversion
Replace a gas furnace with an electric heat pump, starting with a panel load check so the switch works without surprises.
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Los Angeles CountySan Bernardino CountyOrange CountyGlendale, CA
Glendale sits between the Verdugo Mountains and the Los Angeles River, and its east side, around the 91206 ZIP code, blends 1920s Spanish Revival houses, postwar homes and a large number of apartment and condo buildings.
Glendale homes and condos face hot valley afternoons and buy power from Glendale Water & Power, which shapes the choice between gas heat and heat pumps. Marco's repairs air conditioners, converts gas furnaces to heat pumps and installs ductless systems in condos and older homes. We size equipment to the space and quote the price before starting. Call (626) 879-0711 any hour.
Overview
Glendale sits between the Verdugo Mountains and the Los Angeles River, and its east side, around the 91206 ZIP code, blends 1920s Spanish Revival houses, postwar homes and a large number of apartment and condo buildings. Downtown, with the Americana at Brand and the Glendale Galleria, is close by. Summer heat here runs higher than near the coast, and hillside streets toward the Verdugos take afternoon sun with little shade.
We come into Glendale from our Old Pasadena office along the 134 Freeway, so it is a short trip west. A lot of our Glendale work is in multi-unit buildings, where equipment sits in closets, on roofs or on balconies, and where a leak or a loud condenser affects neighbors too. We plan around building rules and HOA access, protect shared hallways, and explain the work and the price before we start.

Older Glendale houses from the 1920s and 1930s often started with a wall furnace or floor furnace, then got a forced-air system with ducts in the attic or crawlspace. Postwar homes usually have a closet or attic furnace with ducts overhead. Apartment and condo units vary more: some have a small air handler in a hall closet tied to a condenser on the roof, some have through-wall units, and some have no cooling at all beyond a window unit or two.
Because Glendale Water & Power sets its own rates and programs, the math on a heat pump here differs from homes on SCE. An electric heat pump can replace both a gas furnace and an old AC, and it suits condos where venting a gas appliance is difficult.
Common problems
Condo air handlers in hallway closets often have clogged drains or cracked pans. Water can damage floors and the unit below. Clearing the drain and adding a safety float switch prevents a repeat.
Condensers on building roofs connect to units several floors down. Long refrigerant lines can leak at joints and lose capacity. We check pressures carefully and repair the line where the leak is.
Many older units still rely on a gas wall heater. When it fails, a ductless heat pump can replace it and add cooling in one installation, with no gas vent to maintain.
Homes facing west toward the valley take full sun all afternoon. An undersized AC and leaky attic ducts cannot keep up. Correct sizing and duct work usually fix more than a bigger unit would.
Ducts installed decades ago in crawlspaces sag, tear and pull apart. Replacing them with properly sized, insulated runs lets a new heat pump deliver its full output to every room.
Most requested
AC repair is the steady work in Glendale, especially in multi-unit buildings with aging equipment. Gas to heat pump conversions are a growing share, because a heat pump replaces two systems at once and condos benefit from losing the gas vent. Ductless mini-splits work in units with no ducts or no room for them. AC water leak repair matters most in condos, where a dripping air handler can affect the neighbors below. Duct replacement often goes along with a heat pump installation in older houses.
Replace a gas furnace with an electric heat pump, starting with a panel load check so the switch works without surprises.
Learn moreWarm air, a humming outdoor unit or a tripped breaker: we find the failed part and fix most AC problems in one visit.
Learn moreNew ducted and inverter heat pumps sized to your Pasadena home, with permits, line sets, electrical and duct checks included in the quote.
Learn moreDuctless heat pumps for Craftsman bungalows, additions, converted garages and hot upstairs rooms, with head styles chosen room by room.
Learn moreWater around the furnace or a stain on the ceiling: we clear the drain, fix the trap, replace pans and install float switches.
Learn moreNew attic ductwork sized for your rooms and equipment, sealed with mastic and leak tested before we call the job done.
Learn moreElectricity in Glendale comes from Glendale Water & Power, the city's own utility, and gas from SoCalGas. Ask about current GWP or SoCalGas rebates and state heat pump incentives when funding is open, since GWP programs differ from SCE's. We handle the permit where the city requires one, and California energy rules (Title 24) can require duct leakage testing when equipment is replaced.
In condo and apartment buildings, we coordinate roof access, elevator use and work hours with the HOA or building manager. Summer heat waves bring the heaviest call volume, often from July into September when afternoons pass 100 F. If you live in a building, it helps to share the roof access details when you call.
Questions
Yes. Glendale buys electricity from its own city utility, so electric rebates come from Glendale Water & Power rather than SCE. Programs and amounts change, so ask about current GWP and SoCalGas offers and state heat pump incentives when funding is open. We tell you which equipment we quote is likely to qualify and provide the model details a program asks for.
Usually, yes. A ductless heat pump can replace a wall heater and add cooling at the same time. The outdoor unit needs a spot on a balcony, roof or ground pad, which often requires HOA approval. We check the electrical panel, the line set route and the building rules, then quote the full job before any work begins.
Most closet leaks come from a clogged condensate drain, a cracked drain pan or a frozen coil melting. Turn the system off and put a towel down. We clear the drain, check the pan and coil, and look at airflow and refrigerant charge if the coil was freezing. A float switch can shut the unit off before water overflows again.
We coordinate with the HOA or building manager for roof access, then check the condenser, its electrical parts and the refrigerant lines that run down to the unit. Long line sets need careful leak checks at every joint. We keep shared areas clean, follow building work hours, and report back to both the owner and the manager when asked.
Call our Pasadena line any hour. A person answers, asks a few questions about the system, and gives you an arrival window.