MHS/LOMACK Heating and Air

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About MHS/LOMACK Heating and Air
MHS/LOMACK Heating and Air has served Escondido and surrounding San Diego County communities for decades, building a reputation as a trusted residential HVAC contractor. Based in Escondido, the company handles heating and cooling needs across neighborhoods from Poway to San Marcos. The team maintains strong online presence with a 5.0-star rating across seven client reviews, with all customers awarding full marks for service quality and professionalism.
What distinguishes MHS/LOMACK from neighboring contractors is their commitment to honest assessments and meticulous job site care. Multiple reviewers specifically praised the crew for covering carpeting with protective runners during installations, a detail reflecting their respect for client homes. The company offers transparent pricing with no surprise fees, and customers report receiving fair quotes compared to other area contractors. This combination of integrity and attention to detail keeps clients returning for future heating and cooling needs.
Homeowners who called MHS/LOMACK during urgent situations found responsive, skilled technicians. Customer Carol Harris described a technician who honestly advised that her attic equipment needed no repairs after inspection, refusing unnecessary work. Another reviewer, Diode Dave, noted the crew arrived for a new furnace and heat pump installation and worked conscientiously. Office Manager Kaitlyn coordinates scheduling, while specific technicians including Robby, Cooper, JC, and Vincent have earned individual recognition for their workmanship.
What Customers Say
All five published reviews award 5 stars, with clients repeatedly praising honesty in diagnostics, transparent pricing, and careful job site protection. Four reviewers specifically mention individual technicians by name, indicating strong team identity. No negative feedback appears in available reviews.
Working Hours
| Sunday | Closed |
| MondayToday | 7 AM–4 PM |
| Tuesday | 7 AM–4 PM |
| Wednesday | 7 AM–4 PM |
| Thursday | 7 AM–4 PM |
| Friday | 7 AM–3 PM |
| Saturday | Closed |
Services
AC Repair & Maintenance
Diagnostic services, refrigerant recharging, and seasonal tune-ups for cooling systems.
Heating System Installation
New furnace and heat pump installations with professional setup and testing.
Whole House Fan Installation
Ventilation fan installation for improved air circulation in residential settings.
Routine HVAC Service
Preventive maintenance visits including filter changes and system inspections.
Equipment Assessment
Honest evaluation of existing equipment condition with repair recommendations.