HVAC, AC Repair & Plumbing in Lemon Grove, CA
The giant lemon on Broadway says “Best Climate on Earth,” and most days it's right. But Lemon Grove sits just inland enough that heat waves hit hard, and a lot of homes here are small 1940s–60s houses with a wall furnace and no AC. Add all the new granny flats going up in backyards, and there's plenty to keep cool. We know these homes. Upfront pricing, same-day availability on most calls.
Small City, Older Homes, New Backyard Units
Lemon Grove is only about four square miles, and we've worked on a good share of its streets — off Broadway and Lemon Grove Avenue, up the slopes toward Mount Helix, and around the trolley depot. Caspian Air HVAC knows the typical Lemon Grove house: compact, solidly built, a hallway wall furnace, and an attic with just enough room to crawl.
Cooling a Classic Lemon Grove House
Most Lemon Grove homes were built when nobody expected air conditioning, and their attics weren't designed for ductwork. A ductless mini-split usually makes the most sense: one outdoor unit, a head or two in the main rooms, and it heats as well as cools, so the old wall furnace can finally go. Where there is attic space, a small ducted heat pump works well too. Either way, we check the electrical panel first, since many houses here still have their original service.
ADUs and Granny Flats
Lemon Grove has embraced backyard units, and we get a lot of calls for heating and cooling in new ADUs and garage conversions. A mini-split sized for the unit is the standard approach — it's efficient, quiet, and keeps the unit independent from the main house. If you're building one now, call us before the drywall goes up so we can plan the line set and electrical.
What This Service Delivers
Older-Home Know-How
Compact 1940s–60s homes cooled without tearing into the house.
ADU-Ready
Right-sized mini-splits for granny flats and garage conversions.
Same-Day Availability
Most Lemon Grove calls get same-day service.
Upfront Pricing
A written quote before work begins. The price you approve is the price you pay.
Local to Lemon Grove.Licensed & insured.Done right.
The Process — Start to Finish
Call or Request
Tell us what's going on. We reply by text or email — no random calls — and book a visit in Lemon Grove.
On-Site Diagnosis
A licensed tech inspects the system, finds the root cause, and explains the options in plain language.
Written Quote
You get a clear, upfront quote before any work begins. Approve it and we get started.
Done Right
Work completed to manufacturer specs and code, then tested. We stand behind every job.
Service Includes
- HVAC installation & replacement
- AC and heating repair
- Maintenance & seasonal tune-ups
- Ductless mini-split systems
- Ductwork repair & sealing
- Plumbing & water heater service
Recommended If You Notice
- Wall furnace and no AC
- New ADU or garage conversion needing heating and cooling
- Older electrical panel before adding a heat pump
Common Questions
Usually a ductless mini-split, since most homes here weren’t built with room for ductwork. It heats as well as cools, so it can replace the wall furnace at the same time.
Yes. We size and install mini-splits for ADUs and garage conversions, and we can plan the line set and electrical during construction.
All of Lemon Grove, ZIP code 91945, plus La Mesa, Spring Valley, National City, and San Diego next door.
Yes. Caspian Air HVAC is a fully licensed and insured C-20 HVAC and C-36 plumbing contractor — CA LIC #1147254 — serving Lemon Grove and all of San Diego County.
Ready to Schedule?
Fill out a quick form and we call you back within 2 hours. Or call directly — we answer.