What is the phone number for Blue Diamond Heating and Air?

(619) 340-0175. You call Blue Diamond Heating and Air directly; AssistAnt never sits in the middle.

Where is Blue Diamond Heating and Air?

Blue Diamond Heating and Air serves El Cajon, CA as a service-area business (no street address shown).

Is Blue Diamond Heating and Air still in business?

Their website loaded when AssistAnt checked it on October 31, 2026.

Is Blue Diamond Heating and Air licensed and insured?

Not verified by AssistAnt yet. Ask for proof of license and insurance before you hire.

Who else is near El Cajon?

AssistAnt lists 197 HVAC companies near El Cajon. Closest to Blue Diamond Heating and Air: Air Solutions (0.2 mi), TK Services, Inc (0.2 mi), Carini Home Services (0.2 mi).

Blue Diamond Heating and Air · (619) 340-0175

AssistAnt › Pro directory › El Cajon, CA

What we do

Services

❄️Heating & air conditioning (HVAC)

Checked, with dates

🧾 Trust Card · 2 receipts

Listed in the AssistAnt 24/7 directoryBusiness record from Overture Maps open business data (CDLA-Permissive-2.0).
Sep 30
Shown as open for business in the source dataOperating status in the business record.
Oct 31

Not verified yet: Owner has not confirmed this listing yet; License and insurance not reviewed by AssistAnt yet; No AssistAnt job history linked to this listing yet.

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In their words

Customer reviews

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Where

Service area

Map of the El Cajon, CA area (© Google). Is this your business? Claim it and put up your own photos →

About Blue Diamond Heating and Air

Blue Diamond Heating and Air is listed on AssistAnt for heating & air conditioning (hvac) in El Cajon, CA.

Built from public business information. Call to confirm before you go.

Contact

Phone: (619) 340-0175
Website: bluediamond.tech/san-diego-hvac-contractor-ac-repair · loaded when we checked Oct 31, 2026
Location: El Cajon, CA, 92020 (service area)
Booking: Not bookable online yet. Call the business directly.

Listed from public recordsNot verified yet. Details come from open business data and may be out of date.See the Trust Card: what we checked, how and when →

Quick facts about Blue Diamond Heating and Air

What is the phone number for Blue Diamond Heating and Air?: (619) 340-0175. You call Blue Diamond Heating and Air directly; AssistAnt never sits in the middle.
Where is Blue Diamond Heating and Air?: Blue Diamond Heating and Air serves El Cajon, CA as a service-area business (no street address shown).
Is Blue Diamond Heating and Air still in business?: Their website loaded when AssistAnt checked it on October 31, 2026.
Is Blue Diamond Heating and Air licensed and insured?: Not verified by AssistAnt yet. Ask for proof of license and insurance before you hire.
Who else is near El Cajon?: AssistAnt lists 197 HVAC companies near El Cajon. Closest to Blue Diamond Heating and Air: Air Solutions (0.2 mi), TK Services, Inc (0.2 mi), Carini Home Services (0.2 mi).

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AI Visibility Score

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What the AIs say

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Other HVAC companies nearby

Air SolutionsEl Cajon, CA · 0.2 mi
TK Services, IncEl Cajon, CA · 0.2 mi
Carini Home ServicesEl Cajon, CA · 0.2 mi
Strang Heating & AcEl Cajon, CA · 0.2 mi
Maximum Comfort Heating and AC RepairEl Cajon, CA · 0.2 mi
Air Temperature SpecialistsEl Cajon, CA · 0.3 mi

All HVAC companies near El Cajon, CA (197) →

Every trade and local freelancer in El Cajon →

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