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Countywide Mechanical SystemsHVAC contractor in El Cajon, CA

Countywide Mechanical Systems is an HVAC contractor at 1400 N Johnson Ave, El Cajon, CA 92020, rated 3.1 from 35 Google reviews. Open 24 hours a day, 7 days a week.

El Cajon, CA0 paid placements in any rankingHow we rank

Call (619) 449-9900Website ↗

Key facts

Key facts about Countywide Mechanical Systems
Address1400 N Johnson Ave, El Cajon, CA 92020Get directions
Phone(619) 449-9900
Websitecountywidems.com
HoursOpen 24 hours, 7 days a week
Google rating3.1 from 35 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: Santee, Bostonia, Winter Gardens, Casa de Oro-Mount Helix, Lakeside, La Mesa, Eucalyptus Hills, Spring Valley, Rancho San Diego, Lemon Grove and La Presa.

Based in El Cajon, CAView on map

Opening hours

Opening hours for Countywide Mechanical Systems
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.

Reviews

ContractorsRanked reviews

No ContractorsRanked reviews yet

Google

3.1from 35 Google reviews

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Questions about Countywide Mechanical Systems

What are Countywide Mechanical Systems’ hours?

Countywide Mechanical Systems 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 Countywide Mechanical Systems serve?

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

Countywide Mechanical Systems has a rating of 3.1 from 35 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 Countywide Mechanical Systems?

Call Countywide Mechanical Systems on (619) 449-9900. The business is at 1400 N Johnson Ave, El Cajon, CA 92020. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.

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