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

(619) 304-6761. 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?

Listed from public business records, last updated September 30, 2026. Call to confirm.

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: Castle Comfort Hvac (0.5 mi), Lucky Air Inc (0.6 mi), Surf Bros HVAC (1.0 mi).

Blue Diamond Heating and Air · (619) 304-6761

AssistAnt › Pro directory › El Cajon, CA

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

Is this your business? Take it and make it your own.

What claiming unlocks

📞 Your number confirmed, with the ✓ Claimed mark
📸 Photos of your work
⭐ Reviews from your customers (each confirmed by a text code)
🌐 A free website at yourname.assistant247.net
🔍 A free AI check: does ChatGPT name you?

Free. No credit card. Ever. Nobody can pay to rank higher here.

Take it, make it your own

We call the number on this listing with a 6-digit code. Can’t take the call? Claim it another way →

🐜 Stronger as a colony. Every business that joins and fills in its listing makes AssistAnt stronger, and that helps every member get found.

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.

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 Details come from open business data and may be out of date.See the Trust Card: what we checked, how and when →

Contact

Phone: (619) 304-6761
Website: bluediamond.tech/san-diego-hvac-contractor-ac-repair
Location: El Cajon, CA, 92020 (service area)
Booking: Not bookable online yet. Call the business directly.

Quick facts about Blue Diamond Heating and Air

What is the phone number for Blue Diamond Heating and Air?: (619) 304-6761. 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?: Listed from public business records, last updated September 30, 2026. Call to confirm.
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: Castle Comfort Hvac (0.5 mi), Lucky Air Inc (0.6 mi), Surf Bros HVAC (1.0 mi).

Other HVAC companies nearby

Castle Comfort HvacSan Diego, CA · 0.5 mi
Lucky Air IncSan Diego, CA · 0.6 mi
Surf Bros HVACSan Diego, CA · 1.0 mi
California Pro Heating and Air Inc.San Diego, CA · 1.2 mi
Carini Home ServicesSan Diego, CA · 1.7 mi
San Diego Heating & Air ConditioningSan Diego, CA · 1.7 mi

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

Every trade and local freelancer in El Cajon →

Report this listing