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32 Years
experience
Emergency
services
Trusted HVAC Solutions in Lewes, DE
Founded in 1994 by Dave and Lee George, Alltemp Air has grown from a two-person operation into a trusted family-owned HVAC company serving the Delaware Beaches. With decades of combined experience, we specialize in HVAC and commercial refrigeration design, installation, maintenance, and repair. Our team of certified technicians prioritizes preventative maintenance, emergency services, and energy-efficient solutions to ensure year-round comfort for residential and commercial clients.

We hold partnerships with leading manufacturers like American Standard and Mitsubishi, offering extended warranties and cutting-edge technology. Serving communities from Lewes to Fenwick Island, we combine local expertise with a commitment to superior service and quality workmanship.
Services
A/C Installation Heating Repair Heat Pump Maintenance Duct Cleaning Commercial HVAC Mini-Split Installation Refrigeration Repair UV Air Cleaners Dehumidifiers Service Agreements
Details
  • Year established: 1994
Highlights and features
  • We are a family-owned business serving the Delaware Shore since 1994.
  • Our team includes experienced, certified HVAC technicians.
  • We offer 24/7 emergency service for urgent heating and cooling needs.
  • We are an American Standard Customer Care Dealer with extended warranties.
  • We provide preventative maintenance agreements for system longevity.
Associations and certifications
  • American Standard Customer Care Dealer
  • Mitsubishi Ductless Pro Preferred Dealer
What people say
Exceptionally professional Outstanding service Knowledgeable staff 24/7 emergency support Trustworthy team
Services
A/C Installation
We specialize in installing energy-efficient air conditioning systems tailored to your home or business. Our technicians assess your space, recommend optimal units, and ensure precise installation for maximum efficiency. We partner with brands like American Standard to provide reliable cooling solutions that reduce energy costs while maintaining comfort.
Heating Repair
Our 24/7 heating repair service addresses urgent furnace and heat pump issues. Technicians diagnose problems like ignition failures, thermostat malfunctions, and refrigerant leaks. We prioritize rapid response times to restore warmth during winter emergencies, using genuine replacement parts for lasting repairs.
Duct Cleaning
Professional duct cleaning improves indoor air quality and system efficiency. Using Hypervac equipment, we remove dust buildup from ductwork, registers, and coils. This reduces allergens, prevents HVAC strain, and lowers energy bills while extending system lifespan for residential and commercial properties.
Commercial HVAC
We provide comprehensive HVAC solutions for commercial properties, including installations, maintenance, and refrigeration repairs. Our team handles large-scale systems for offices, hotels, and retail spaces, focusing on energy efficiency to reduce operational costs while ensuring client comfort.
Mini-Split Installation
Ductless mini-split systems offer zoned climate control for homes and businesses. Our certified technicians install single or multi-unit systems, optimizing placement for even temperature distribution. These energy-efficient solutions are ideal for spaces without existing ductwork or requiring supplemental heating and cooling.
People
Dave George
Co-Owner
With over 30 years in HVAC, Dave George co-founded Alltemp Air in 1994. He oversees daily operations and ensures technical excellence across all service teams.
Lee George
Co-Owner
Lee George co-founded Alltemp Air and manages administrative operations. Her leadership ensures seamless customer service and business growth.
Bay George
Partner
Bay George joined the family business to expand service capabilities. He specializes in commercial HVAC systems and client relations.
Questions
How often should HVAC systems receive maintenance?
We recommend biannual maintenance: cooling systems in spring and heating systems in fall to ensure optimal performance.
What HVAC brands do you work with?
We service all major brands and are certified dealers for American Standard and Mitsubishi Ductless systems.
Do new HVAC installations include warranties?
All new systems include manufacturer parts warranties and our labor warranty for complete peace of mind.
Can you service older HVAC systems?
Yes, our technicians repair systems of all ages while advising on cost-effective replacement options when needed.
Do you offer financing options?
We provide 0% APR financing through Wells Fargo for qualified customers to make upgrades more affordable.
What areas do you service?
We serve all Delaware Beach communities from Lewes to Fenwick Island and surrounding Sussex County areas.