Local HVAC service in San Antonio

Cooling.
Heating.
Done Right.

Reliable HVAC repair, new system installation, ductless mini-splits, indoor air quality, maintenance, and attic insulation from a licensed local contractor.

Call (210) 552-1043 Request Service

✓ Licensed✓ Local✓ Real Work Photos✓ Honest Recommendations

HVAC Services

Practical solutions for home comfort, efficiency, and dependable operation.

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AC & Heating Repair

Diagnosis and repair for cooling, heating, airflow, electrical, and comfort problems.

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New System Installation

Complete replacement and installation options sized for your home and comfort needs.

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Ductless Mini-Splits

Efficient room-by-room heating and cooling for additions, shops, and hard-to-condition spaces.

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Attic Insulation

Insulation improvements that can reduce heat gain and help improve indoor comfort.

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Indoor Air Quality

Air scrubbers, UV lights, filtration upgrades, humidity, and whole-home air quality solutions.

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Maintenance

Preventive inspections and service to help equipment run reliably and efficiently.

HVAC equipment installation by ER AC & Heat

Owner-operated HVAC service

Professional work with direct communication

ER AC & Heat is built around honest recommendations, careful workmanship, and practical solutions for San Antonio-area homeowners.

Licensed Contractor
TACLB132276E

Local Service
San Antonio and surrounding communities

Clean Installations
Attention to detail

Clear Options
No confusing explanations

Recent HVAC Work

Real installation photos from ER AC & Heat projects.

Indoor Air Quality Installations

Real IAQ installations completed by ER AC & Heat to help improve whole-home air quality.

Whole-home Air Scrubber installation by ER AC and Heat in San Antonio — Whole-Home Air Scrubber Installation

UV germicidal light installation inside an HVAC system by ER AC and Heat — UV Germicidal Light Installation

Ask about air scrubbers, UV lights, filtration upgrades and other indoor air quality solutions.

Call About IAQ Service

Service Areas

Serving homeowners and businesses across San Antonio and nearby communities.

San AntonioBoerneHelotesAlamo RanchLeon ValleyCastrovilleNew BraunfelsSchertzCiboloSomersetPleasantonLytle

Need HVAC help?

Call ER AC & Heat today

Get help with repairs, replacement estimates, mini-splits, maintenance, indoor air quality, or attic insulation.

(210) 552-1043

Request Service

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ER AC & Heat

Raymundo Gallo
HVAC Technician

(210) 552-1043
Er.acheat@yahoo.com

San Antonio, Texas
Serving San Antonio, Boerne, Helotes, Alamo Ranch, Leon Valley, Castroville, New Braunfels, Schertz, Cibolo, Somerset, Pleasanton, and Lytle

License: TACLB132276E

Faith • Family • Integrity

"As for me and my house, we will serve the Lord."

— Joshua 24:15

Call ER AC & Heat — (210) 552-1043