Business Details
50+ Years
experience
Emergency
services
Your Trusted HVAC Partner in Charleston, SC
M&B Heating & Air has served Charleston, SC, and surrounding communities since 1964, delivering reliable HVAC solutions rooted in integrity and customer-centric values. Our NATE-certified technicians specialize in air conditioning repair, furnace installation, and preventive maintenance, ensuring homes remain comfortable year-round. We prioritize energy efficiency and long-term system performance, offering geothermal heating and indoor air quality services to address modern environmental challenges. Our 24/7 emergency response team guarantees prompt assistance for urgent HVAC failures, minimizing discomfort during extreme weather. Backed by a Five Star Performance Guarantee and Peace of Mind Guarantee, we ensure workmanship quality and customer satisfaction through transparent pricing and no hidden fees.With decades of local expertise, we tailor HVAC solutions to Charleston's unique climate, combining industry-leading products with precise installation methodologies. Our Cool Club Maintenance program extends equipment lifespan while reducing repair costs, reflecting our commitment to proactive service. As a family-owned business, we maintain deep community ties, fostering trust through consistent availability and respectful service practices that prioritize homeowner convenience.
Services
AC Repair
Furnace Installation
HVAC Maintenance
Geothermal Systems
Indoor Air Quality
Emergency Service
Thermostat Installation
Duct Cleaning
Heat Pump Repair
Cool Club Membership
Details
- Year established: 1964
Highlights and features
- We offer 24/7 emergency HVAC services for urgent needs
- Our technicians hold NATE certification for industry-standard expertise
- We guarantee 100% satisfaction with our Five Star Performance Guarantee
- We provide preventive maintenance programs to extend equipment lifespan
- We use precise load calculations for optimal HVAC system sizing
Associations and certifications
- NATE
- Energy Star
- NCI
What people say
24/7 emergency service
Technicians professional
Clean workspaces maintained
Clear explanations provided
Long-term reliability
Services
AC Repair
Our NATE-certified technicians diagnose and fix AC issues ranging from refrigerant leaks to compressor failures. We use advanced diagnostic tools to resolve problems efficiently, restoring cooling capacity during Charleston's humid summers. Emergency repairs prioritize rapid response to prevent heat-related discomfort.
Furnace Installation
We install high-efficiency furnaces and heat pumps sized precisely for Charleston's climate. Our technicians follow industry standards for proper system matching, ensuring optimal performance while reducing energy consumption by up to 30% compared to improperly sized units.
HVAC Maintenance
Cool Club members receive biannual tune-ups covering refrigerant levels, electrical connections, and component lubrication. This proactive approach prevents 80% of potential breakdowns while maintaining manufacturer warranty validity through documented service history.
Geothermal Systems
We design and install ground-source heat pump systems that leverage stable underground temperatures for 45% greater efficiency than conventional HVAC. Our certified technicians handle all aspects from loop field excavation to system commissioning, with underground piping warranties exceeding 50 years.
Indoor Air Quality
Our IAQ specialists install whole-house air purifiers, dehumidifiers, and energy recovery ventilators to combat Charleston's humidity challenges. Custom solutions address specific contaminants like mold spores and VOCs, improving respiratory health for allergy sufferers through MERV 11+ filtration systems.
Questions
Do you offer emergency HVAC services after hours?
Yes, our 24/7 emergency service responds to urgent HVAC failures at any time, with live technicians available year-round.
How often should HVAC systems receive maintenance?
We recommend biannual maintenance (spring and fall) to ensure optimal performance and extend equipment lifespan.
What areas do you service?
We serve Charleston, Mount Pleasant, Johns Island, and surrounding South Carolina communities within a 30-mile radius.
Are financing options available for new HVAC systems?
Yes, we offer flexible financing plans for qualifying customers to make system replacements more affordable.
Do you provide warranties on HVAC installations?
All installations include our Workmanship Guarantee and manufacturer warranties on parts and equipment.
