Business Details
50+ Years
experience
Emergency
services
Trusted HVAC Services in Durham, NC
At L.D. Swain & Son, we have dedicated ourselves to providing exceptional heating and air conditioning services since 1968. As a family-owned-and-operated business in Durham, North Carolina, we take pride in our hands-on approach and commitment to personalized service. Our team of licensed and insured professionals brings decades of combined experience to every residential and light commercial project. We specialize in installing, servicing, and maintaining high-efficiency HVAC systems, including heat pumps, gas systems, and air conditioners. Our dedication to quality extends to indoor air quality solutions like humidifiers, dehumidifiers, and filtration systems that enhance comfort and health.We stand behind our work with warranties on all equipment and offer free estimates to ensure transparency. Recognized by the BBB with an A+ rating, we prioritize honesty, integrity, and customer satisfaction in every interaction. Our focus on building long-term relationships has earned us loyal customers across the Triangle area. Whether you need routine maintenance or a complete system replacement, our expertise ensures reliable, energy-efficient solutions tailored to your needs. We remain committed to upholding the values that have defined our family business for over 50 years.
Services
HVAC Installation
Air Quality Products
Heat Pumps
Gas Systems
Emergency Repairs
Duct Replacement
Filtration Systems
Humidifier Installation
Energy Audits
Warranty Service
Details
- Year established: 1968
Highlights and features
- Over 50 years of HVAC experience in the Triangle area
- BBB A+ rated with transparent, competitive pricing
- Personalized service from family-owned operations
- Licensed and insured North Carolina professionals
- Free estimates on new heating and cooling systems
Associations and certifications
- BBB A+
Services
HVAC Installation
We install high-efficiency heating and cooling systems including heat pumps, gas furnaces, and air conditioners. Our technicians ensure proper sizing and configuration for optimal energy efficiency and comfort. All installations come with manufacturer warranties and optional extended protection plans.
Air Quality Products
Our air purification solutions include humidifiers, dehumidifiers, and filtration systems that remove allergens and pollutants. These products improve respiratory health while enhancing HVAC system efficiency through cleaner air circulation and moisture control.
Emergency Repairs
We offer after-hours emergency repair services for urgent HVAC failures. Our technicians respond promptly to restore comfort and prevent system damage, with no overtime charges for after-hours service calls.
Duct Replacement
Custom duct construction and replacement services ensure proper airflow distribution. We use sealed, insulated materials to minimize energy loss and improve indoor air quality by preventing contaminant infiltration.
Energy Audits
Comprehensive energy assessments identify HVAC inefficiencies and recommend cost-saving improvements. Our audits include equipment performance testing, insulation evaluation, and customized efficiency upgrade plans.
Questions
What HVAC services do you offer?
We provide installation, repair, and maintenance for heating systems, air conditioners, heat pumps, and indoor air quality products. Emergency service is available after hours.
How long have you been in business?
We've served the Triangle area since 1968 as a family-owned HVAC contractor with BBB A+ accreditation.
Do you offer warranties?
All equipment includes a 5-year parts warranty, with optional 10-year extension when registered within 90 days of installation.
Are your technicians licensed?
Yes, our team is fully licensed and insured in North Carolina with specialized training in residential and light commercial HVAC systems.
What areas do you serve?
We primarily serve Durham, Raleigh, Chapel Hill, Cary, and Apex within North Carolina's Triangle region.
Do you provide free estimates?
Yes, we offer complimentary estimates for new HVAC system installations and major repair projects.
