Commercial HVAC
Diagnostics, repair, replacement, and facility support for demanding Houston operations.
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Houston commercial HVAC + refrigeration
Keep your facility running. Keep your people comfortable.
Commercial-grade expertise with the accountability of a family-owned Houston business.
Texas HVAC Contractor TACLA #164987R
Since 2012Houston-area service
25+ yearsMechanical experience
EPA UniversalCertified refrigerant handling
All brandsCommercial and residential
Facility support
One accountable partner for the systems behind your operation.
From restaurant refrigeration to building comfort and planned maintenance, JAD brings practical engineering judgment to every call.
Commercial refrigeration
Restaurant and facility refrigeration diagnostics, repair, and preventive service.
Start a requestMaintenance agreements
Custom plans starting with quarterly service, built around your equipment and schedule.
Start a requestParts & equipment
Tell us what you need. We’ll confirm supply options or help identify a practical alternative.
Start a requestResidential comfort
A/C and heating repair, replacement, ductwork, maintenance, and indoor air quality.
Start a requestAll equipment brands
Broad diagnostic experience across commercial, refrigeration, and residential systems.
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Commercial first
Service built around facilities, not one-size-fits-all packages.
Restaurants, schools, offices, retail spaces, and industrial facilities each carry different operating risks. We begin with the equipment, usage, and service history—not a generic sales script.
- Commercial A/C diagnostics and repair
- Restaurant and facility refrigeration
- Multi-site and institutional experience
- Parts and equipment sourcing
Preventive maintenance
Start quarterly. Build the plan around your facility.
Planned maintenance reduces surprise failures, protects operating continuity, and gives your team a clearer view of equipment condition.
Custom quarterly starting point
- 01Facility consultation
Review equipment, operating needs, and priorities.
- 02Defined service scope
Set cadence, inspection points, and documentation.
- 03Consistent follow-through
Track findings and adjust the plan as needs change.
Owner-led expertise
Engineering depth. Family-business responsibility.
Ammar Alkaabi combines more than 25 years of mechanical, maintenance, and reliability experience with the direct accountability of owning and operating JAD Air and Heating LLC since 2012.
M.S. Electromechanical EngineeringBaghdad University
Texas licensed contractorTACLA #164987R
Commercial and industrial backgroundExperience in schools, manufacturing, and complex facilities
Our experience includes HVAC service work across multiple Harmony Public Schools campuses in the Houston area. Harmony is not presented as a current client or endorsement.
Houston metro service area
Local coverage with commercial reach.
HoustonBrookshireChannelviewFulshearGreater Houston
Equipment down now?
Emergency calls are accepted 24/7.
Response is based on technician availability. Call and explain what is happening so we can assess the next step.