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Claim This BusinessMills Brothers Heating and Air operates from North Charleston, South Carolina, serving the greater Charleston metro area including the Low Country region. With a 4.5-star rating accumulated across 44 client reviews, this HVAC contractor offers comprehensive heating and cooling solutions for residential properties. The company maintains standard business hours Monday through Friday from 8 AM to 5 PM, with Saturday availability until 3 PM.
The company distinguishes itself through strategic manufacturer partnerships, installing equipment from American Standard, Heil, Rinnai, Takagi, Mitsubishi, and Samsung. Their service lineup includes tankless water heaters, ductless mini-split systems, spray foam insulation, and specialized indoor air quality solutions. Mills Brothers collaborates with SCE&G and Berkeley Electric Cooperative on whole-home energy saving programs, and they provide free energy consultations to help homeowners improve efficiency. Their annual maintenance program covers complete system inspections including coil cleaning, amp draw testing, and refrigerant charge verification.
Customer reviews document specific encounters with their technicians. Joe Kluckowski describes how Mr. Mills responded to a blower door test requirement within 24 hours, completing the inspection and delivering results promptly. Kelly Atkinson notes her upstairs cooling unit malfunctioned, and the company dispatched someone the same day, with a technician named Brian providing professional service. However, some reviews describe concerning interactions involving inappropriate commentary and communication styles that prospective clients should consider.
Three of five detailed reviewers award five stars for responsiveness and technical skill, specifically praising same-day service and straightforward diagnostic communication. The two one-star reviews describe unpleasant exchanges and pricing disputes, with one client noting a 170% markup compared to competitor quotes. The contrast between customer treatment warrants careful consideration for homeowners evaluating this contractor.
| Sunday | Closed |
| Monday | 8 AM–5 PM |
| Tuesday | 8 AM–5 PM |
| Wednesday | 8 AM–5 PM |
| ThursdayToday | 8 AM–5 PM |
| Friday | 8 AM–5 PM |
| Saturday | 8 AM–3 PM |
Diagnostic services, refrigerant recharge, and component replacement for standard split system air conditioners.
Furnace repair and maintenance to ensure reliable winter warmth in Low Country climate.
Rinnai and Takagi unit installation for endless hot water supply and energy efficiency.
Mitsubishi and Samsung ductless solutions for room additions and zoned climate control.
Air filtration and purification systems addressing allergies and respiratory concerns common in the region.
Insulation services targeting energy efficiency and temperature control in residential homes.
Pre-season inspection visits covering coils, electrical components, and system performance verification.
Free assessments helping homeowners identify savings opportunities through efficiency upgrades.