Replacing Your Heating and Cooling in Escondido: Who to Call and What to Ask

Jacob Construction installs complete heating and cooling systems for homeowners in Escondido, Poway, El Cajon and across North County and inland San Diego, including Oceanside and Carlsbad. Whether you're replacing a tired furnace and AC together or switching to an electric heat pump, we'll assess your home for free, give you a written quote, and offer financing options for approved homeowners.

Inland San Diego is hard on heating and cooling equipment. Summers in Escondido and El Cajon run much hotter than at the coast, and winter nights still get cold enough to need heat. This guide covers when to replace the whole system instead of one piece, whether a heat pump makes sense, what to do if your AC quits in a heat wave, and the questions to ask any installer.

At a glance

• We replace heating and cooling systems in Escondido and inland San Diego, including Poway and El Cajon, and in North County towns such as Oceanside and Carlsbad.
• Inland homes work their systems hard in both seasons, so equipment wears faster than near the coast.
• A heat pump can replace both an old furnace and an old AC with one electric system.
• If your AC fails in a heat wave, ask for a repair-or-replace diagnosis before agreeing to a new system.
• Financing is available for approved homeowners. Financing isn't free and is subject to approval.

Who Installs New Heating and Cooling Systems in Escondido?

Look for a licensed contractor who installs complete systems, meaning the indoor and outdoor equipment, the ducts, the electrical work and the thermostat, rather than one who only swaps out a single unit. Get written quotes from two or three of them.

We'd like to be one of your calls. When you request an assessment, our project manager comes to your home in Escondido or wherever you are in North County, looks at your current furnace, AC and ducts, and asks how the house feels in July and in January. You get a written quote, and the person who quotes your job stays your project manager through the final walkthrough.

Jacob Construction has been in business since 2021, holds an A+ rating with the Better Business Bureau, and is licensed in California, License #1073757. We handle the permits and paperwork on roughly 90% of our jobs. A Pacifica homeowner wrote about one of our projects: "They kept a clean, organized, professional work site. The overall workmanship was excellent."

See our heating and cooling services for more on what we install.

Replace One Piece or the Whole System?

Many Escondido homes have a gas furnace and a central AC that were installed at the same time. When one fails, it's tempting to replace just that piece. Sometimes that's the right call. Often it isn't.

Replacing the whole system usually makes more sense when:

• Both the furnace and the AC are about the same age and well into their service life
• The AC uses an older refrigerant that's being phased out and is getting harder to service
• The new outdoor unit wouldn't be properly matched to the old indoor coil or furnace
• Some rooms have always been too hot or too cold, which points to sizing or duct problems
• You've had repeated repair calls in the past few years

Replacing one piece can make sense when the other part of the system is fairly new and in good shape. Ask the contractor to explain their recommendation, not just to price it.

Should You Switch to a Heat Pump?

A heat pump is an electric system that cools in summer and heats in winter. For many inland San Diego homes, it can replace both a gas furnace and a central AC with one system.

A heat pump is worth asking about if:

• Your furnace and AC both need replacing
• You have solar panels, or are planning to add them, and want to use more of that power at home
• You'd like to move away from gas
• Your winters are mild enough that you mostly need heat on cool nights, which describes most of Escondido, Poway and El Cajon

A heat pump isn't the answer for every house. Ducts, the electrical panel and the home's layout all affect whether it fits and what it costs. If you're interested, we'll quote a heat pump alongside a conventional furnace and AC so you can compare the two. We don't promise specific savings on your utility bills, because those depend on your house and how you use it.

If Your AC Quits During a Heat Wave in El Cajon or Inland San Diego

El Cajon, Escondido and the rest of inland San Diego get longer and hotter heat waves than the coast, and that's when old systems tend to fail. If your AC stops in the middle of one:

1. Check the simple things first. Look at the thermostat settings and batteries, the breaker for the outdoor unit, and the air filter. A clogged filter can shut a system down.
2. Keep the household safe. If anyone at home is elderly, very young or unwell, find a cooler place to stay while you arrange the work.
3. Ask for a diagnosis, not just a price. Ask what failed and whether a repair is practical before you agree to replace the system.
4. If replacement makes sense, still get it in writing. A heat wave is stressful, but a written scope protects you from paying for work that wasn't included.
5. Ask about real timing. Ask when the equipment is available and when installation can actually be scheduled, not just when someone can come out.

We serve El Cajon and East County homes as well as Escondido and North County. When you call during a hot stretch, we'll tell you honestly when we can assess the system and what the options are. Our guide My AC Died in San Diego: How to Find a Contractor You Can Actually Trust goes into more detail.

Questions to Ask Any Installer

Ask every contractor you're considering the same questions, so you can compare their answers fairly:

• How did you decide on the size of the system? Listen for a room-by-room calculation that considers insulation, windows and sun exposure, not just the size of the old unit.
• What will you do with the ducts? Reuse, seal, repair or replace, and why.
• Does the house need electrical work? A heat pump or a larger AC may need a new circuit or a panel upgrade.
• Who pulls the permits and meets the inspector?
• Who will be my contact from the quote to the end of the job?
• What equipment coverage comes with it? The systems we install carry manufacturer warranties of 15–25 years. Ask each contractor for the manufacturer's terms in writing.
• What could change the price once the work starts, and how will you ask me before doing extra work?

You can also look up any contractor's license on the California Contractors State License Board website before you sign.

Paying for a New Heating and Cooling System

A full system replacement is one of the larger bills a household faces, and it rarely comes at a convenient time. Financing is available for approved homeowners, with payments set up to fit a household budget. Financing isn't free and is subject to approval. We'll go through the options with you during the assessment.

To understand the basics first, read our guide to home improvement financing options.

Frequently Asked Questions

Does Jacob Construction install heating and cooling systems in Escondido?

Yes. We install complete heating and cooling systems in Escondido, Poway and the rest of North County San Diego, including Oceanside and Carlsbad.

Do you also serve El Cajon?

Yes. We replace AC and heating systems in El Cajon and across inland San Diego County.

Can you replace my old gas furnace with a heat pump?

Yes. We install heat pumps that handle both heating and cooling. We'll tell you during the assessment whether your ducts and electrical panel are ready for one, and quote it next to a conventional system if you'd like to compare.

Can I finance a new HVAC system?

Yes, for approved homeowners. Financing is available. Financing isn't free and is subject to approval.

Do I need to replace my ducts with a new system?

Not always. Some ducts only need sealing or repairs, while others are too old or the wrong size. We'll look at them during the assessment and say in the written quote what we recommend.

Get a Heating and Cooling Quote in Escondido

If your system is aging, failing, or you're ready to switch to a heat pump, request a free assessment or contact us, or call (415) 779-8958. We'll look at your home, explain your options for heating and cooling in Escondido or wherever you are in inland San Diego, and give you a written quote with financing options. Financing is subject to approval.