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Mark's Heating & AirHVAC contractor in El Cajon, CA

Mark's Heating & Air is an HVAC contractor at 1284 El Rey Ave, El Cajon, CA 92021, ranked #43 of 482 HVAC contractors in El Cajon and rated 5.0 from 20 Google reviews. Open 24 hours a day, 7 days a week.

El Cajon, CAUpdated 0 paid placements in any rankingHow we rank

Call (619) 204-7059Website ↗

Key facts

Key facts about Mark's Heating & Air
Address1284 El Rey Ave, El Cajon, CA 92021Get directions
Phone(619) 204-7059
Websitemarksheatingandair.com
HoursOpen 24 hours, 7 days a week
Google rating5.0 from 20 Google reviews

Trades

Each trade shows the evidence we matched it on.

  • HVACmain tradeGoogle main category

Service area

Serves El Cajon and 11 towns within 25 miles: Bostonia, Winter Gardens, Santee, Lakeside, Casa de Oro-Mount Helix, Eucalyptus Hills, Rancho San Diego, La Mesa, Spring Valley, Lemon Grove and Jamul.

Based in El Cajon, CAView on map

Opening hours

Opening hours for Mark's Heating & Air
DayHours
MondayOpen 24 hours
TuesdayOpen 24 hours
WednesdayOpen 24 hours
ThursdayOpen 24 hours
FridayOpen 24 hours
SaturdayOpen 24 hours
SundayOpen 24 hours
  • Open 24/7
  • Open evenings — no
  • Open Saturdays
  • Open Sundays
  • Emergency service

Typical heating and cooling prices

Typical heating and cooling prices
JobLowTypicalHigh
AC replacementPer system, installed (unit plus labor); typical range of customer-reported jobs. US national range$3,887$5,978$8,073
Furnace replacementPer system, installed; typical range of customer-reported jobs. US national range$2,823$4,814$6,896

Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.

Compare nearby HVAC contractors

Mark's Heating & Air compared with nearby businesses
BusinessRankCR ScoreGoogle ratingLicense verifiedSaturdaySundayDistance away
Mark's Heating & Air (this business)—605.0 (20)—YesYes
Aerify Heating and Air#41604.7 (125)—YesYes4.4 mi
Comfort City Mechanical, INC#42604.9 (47)—YesYes6.1 mi
PureAir Santee HVAC Services#44605.0 (40)—YesYes4.7 mi

See all 482 ranked HVAC contractors in El Cajon

Reviews

ContractorsRanked reviews

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Google

5.0from 20 Google reviews

Hired Mark's Heating & Air? Write a review

Questions about Mark's Heating & Air

How is Mark's Heating & Air ranked in El Cajon?

Mark's Heating & Air is ranked #43 of 482 HVAC contractors in El Cajon by CR Score, with 60 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

What are Mark's Heating & Air’s hours?

Mark's Heating & Air is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

What areas does Mark's Heating & Air serve?

Serves El Cajon and 11 towns within 25 miles: Bostonia, Winter Gardens, Santee, Lakeside, Casa de Oro-Mount Helix, Eucalyptus Hills, Rancho San Diego, La Mesa, Spring Valley, Lemon Grove and Jamul. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

What do Google reviews say about Mark's Heating & Air?

Mark's Heating & Air has a rating of 5.0 from 20 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Mark's Heating & Air?

Call Mark's Heating & Air on (619) 204-7059. The business is at 1284 El Rey Ave, El Cajon, CA 92021. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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Claiming is free. Correct your hours, trades and service area. The CR Score is recalculated from corrected data; payment never changes it.

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