Same-day repairs, premium installations, and a 100% satisfaction guarantee — delivered by licensed technicians who treat your home like their own.
Licensed & Bonded · California CSLB #1103686
Certified professionals
From a same-day AC fix to a full system upgrade, our certified Oceanside technicians keep your home dialed in — year-round, around the clock.
Explore All ServicesThree things every Oceanside homeowner deserves from an HVAC company — and three things we refuse to compromise on.
We're Oceanside-grown. Our technicians know how salt air, coastal humidity, and marine fog stress your equipment — and we size, install, and service every system for the conditions you actually live in.
You see the price before we lift a wrench. Flat-rate quotes, no commission-driven upsells, no surprise charges at the end. The number we tell you is the number you pay.
Most repair calls are scheduled the same day (based on availability), and we run 24/7 emergency dispatch when your system fails on a holiday weekend. Comfort isn't something that should wait.
Book a same-day visit, get an honest estimate, and see what Oceanside's coast-grown HVAC team can do for your home.
Tap the glowing dots on the house to flag what you're dealing with. Add your details and our Oceanside team will reach out with a plan.
Tap the dots on your home — pick as many as you need.
Tap the glowing dots on your home to add what's going on. You can pick as many as you need.
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No obligation. Prefer to talk? Call (760) 410-6434
Earth Air Heating & Cooling is a customer-focused, family-run company built on a simple promise: do honest work, deliver year-round comfort, and earn every referral. Since 2021 we've been tuning systems for the homes of Oceanside — from beachfront condos to hillside craftsman houses.
When the AC quits in August or the furnace dies in January, you don't want a stranger from a national chain. You want neighbors who know your ZIP code, your home's quirks, and how to make it right the first time.
Every home is different, so we share honest, educational ranges to help you plan. The exact price always comes after an in-person evaluation — no guesswork, no surprise numbers over the phone.
Typical Range: $195–$1,200+
Typical Range: $195–$1,000+
Typical Range: $8,500–$18,000+
Typical Range: $5,500–$12,000+
Typical Range: $9,000–$20,000+
Typical Range: $4,000–$12,000+
Typical Range: $1,000–$4,000+
Pricing varies based on equipment selection, home size, installation complexity, ductwork requirements, efficiency ratings, and other site-specific factors. These ranges are for educational purposes only — every home requires an in-person evaluation before we provide an exact quote.
Three tiers, transparent pricing, and the same Earth Air Heating & Cooling technician visit after visit. No contracts — cancel anytime.
Bi-annual tune-ups for both your heating and cooling, repair discounts on parts and labor, priority dispatch, and a stress-free season — every season.
One annual tune-up to keep your AC summer-ready and your manufacturer warranty valid.
Everything in Comfort Plus, plus delivered filters, free diagnostics, and lifetime workmanship on installs.
Serving Oceanside & the Coast · Since 2021
We let our customers speak for themselves. Read real, verified reviews from homeowners across North San Diego County — straight from our Google Business Profile.
Every review is a real homeowner in the communities we serve.
Tell the next homeowner. Reviews are how Oceanside finds us.
We run exclusive promotions throughout the year on equipment, tune-ups, and service — because comfort shouldn't break the bank.
Flat-rate diagnostics, upfront quotes, and member discounts on parts and labor. No surprise charges — ever.
Book a DiagnosticNew to Earth Air Heating & Cooling? Ask about our new-customer discount on your first service call. Good any time, no coupon code needed.
Claim Your DiscountSystem down at midnight? We pick up. Emergency dispatch is available around the clock for existing customers.
(760) 410-6434*Financing subject to credit approval. Promotional offers valid on qualifying equipment and services. See advisor for complete terms, dates, and restrictions.
Learning Center
Honest, plain-language guides organized into three tiers — Learn the fundamentals, Compare your options, Act when you're ready. Reviewed by Earth Air's owner-operator.
How it works. What the terms mean. Plain answers, no fluff.
Heat pump vs furnace. Mini-split vs central. The honest math.
Need a definition? Our HVAC Glossary defines 41 terms in plain language — refrigerants, SEER2 vs SEER, Title 24, SDG&E rebates, and more.
Open the glossarySame-day and next-day appointments across our service area. Locally owned, locally dispatched — we don't sub our installs.
Call us — if we can't help you directly, we'll point you to someone who can.
Service availability may vary by location. Call to confirm coverage in your neighborhood. 4042 Olive Dr, Oceanside, CA 92056.
Locally owned · Locally dispatched
Finance your new system through our lending partners, GoodLeap and FastLane, with a soft credit check to apply. All financing is subject to approved credit.
Ask your Earth Air comfort advisor which financing option fits your project. Terms are set by the lender and confirmed when you apply.
60-second form. Soft credit check, no commitment.
Most homeowners hear back quickly, subject to approved credit.
Pick a date. We handle the work, you handle the comfort.
Financing is provided by third-party lenders, subject to approved credit. Rates and terms are set by the lender and confirmed at time of application.