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Heating, Air Conditioning, & Commercial Refrigeration

Serving the Shore Since 1994

Locally Owned & Operated

Alltemp Air, Inc. was founded in 1994 by Dave and Lee George. Dave and Lee still run the company today, now in partnership with their children, Haley and Bay. Experts in HVAC and commercial refrigeration design, installation, maintenance, and repair, Alltemp proudly serves the Delaware Beaches, including Lewes, Rehoboth, Dewey, Millsboro, Milton, Harbeson, Bethany, Ocean View, Fenwick Island, Dagsboro, Millville, and Selbyville.

System breakdowns don’t always happen at convenient times. That’s why we offer 24-hour air conditioning repair and heating services to homeowners and businesses across the area. No matter the problem you’re facing, you can count on our HVAC services to help you save energy, time, and money — all while keeping your space comfortable.

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Free Estimates

We offer free estimates for installations. Plus, learn how you can save with available tax credits & rebates. 

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Service Agreements

Preventative Maintenance.
Priority Service. Peace of Mind.

Special Financing Available

0% APR with equal monthly payments. Buy now, pay over time. Subject to credit approval. Call for details. 

Why Customers in Lewes, DE, Love Our HVAC Company

When customers search for an HVAC contractor in Lewes, DE, they look for someone who’s honest, offers 24-hour air conditioning repairs, and works hard to exceed their expectations. At Alltemp Air, we want our customers to feel confident that they will receive outstanding service. Here’s how our heating and A/C company continues to attract new customers and keeps our old ones coming back:

  • We are a family-owned and operated business.
  • We have been serving the shore since 1994.
  • We are honest and always make things right with our customers.
  • We have a team of experienced and professional technicians.
  • We are an American Standard Customer Care Dealer.
  • We offer 24/7 emergency service.
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Our A/C & Heating Company Has Your Every Need Covered

As a leading HVAC company in Lewes, DE, we have decades of experience setting standards of excellence in the industry. We perform every job with pride, ensuring our customers get the best quality solutions. Our wide range of HVAC services include:

A/C Installation, Repair, and Maintenance

Air conditioning is essential to your comfort during the hottest days of the year. Our HVAC company in Lewes, DE, performs quality AC installations, repairs, and maintenance to help you beat the heat.

Heating Installation, Repair, and Maintenance

Heating your home keeps your family cozy during the chilly holiday season and throughout the winter months. So you can foster a welcoming environment, our heating company provides various furnace and heat pump services.

Ductless HVAC Installation, Repair, and Maintenance

Ductless air conditioning and heating is a versatile HVAC solution. We can set you up with a single unit in a smaller space or connect multiple units to zone your large home.

Commercial HVAC Installation, Repair, and Maintenance

Are you a business owner in Lewes, DE? An efficient HVAC system helps your company thrive. We can reduce your energy costs and environmental impact with our expert commercial air conditioning services.

Commercial Refrigeration Installation, Repair, and Maintenance

From walk-ins and coolers to ice machines and freezers, we know how to work with all types of commercial refrigeration systems. We do installs, repairs, and maintenance.

To schedule a commercial refrigeration service in Lewes, Rehoboth Beach, Millsboro, Milton, or the surrounding areas in Delaware, reach out to our team today.

Schedule a Service With the Best Heating and Cooling Contractor Today

Are you in need of HVAC services in Lewes, Rehoboth Beach, or one of the surrounding DE areas? You’ve come to the right place! As your trusted heating and cooling contractor, we are dedicated to providing top-notch solutions tailored to your needs. Whether you’re in Rehoboth Beach, Dewey Beach, Harbeson, Milton, Georgetown, Millsboro, Bethany Beach, Ocean View, Fenwick Island, Dagsboro, Selbyville, Millville, or Frankford, DE, we’ve got you covered.

From installations and repairs to maintenance and more, we handle it all with professionalism and a friendly approach. Schedule a service with the best HVAC company in Lewes and Rehoboth Beach, DE, today! Our team is ready to keep you comfortable throughout the year and ensure your heating and cooling systems are in peak condition.

Is It Time to Hire an HVAC Contractor?

Maintaining a comfortable and cozy home is essential, and your HVAC system plays a crucial role in achieving that. But how do you know when it’s time to hire an HVAC company in Lewes, DE? Here are some signs to watch out for:

  • Inconsistent Temperature: Are certain rooms too hot or too cold? Uneven cooling or heating can indicate issues with your HVAC system that require professional attention.
  • High Energy Bills: Have you noticed a sudden spike in your energy bills? An inefficient HVAC system could be the culprit. An A/C company can assess your system’s efficiency and recommend solutions to save you money in the long run.
  • Strange Noises or Odors: Unusual sounds or unpleasant odors coming from your HVAC system are clear indicators that something isn’t right. Ignoring these signs could lead to more significant problems down the line. Make sure you schedule cooling and heating services as soon as you notice unpleasant smells or noises.
  • Aging System: If your HVAC system is more than 10-15 years old, it may be nearing the end of its lifespan. When you schedule our AC services, we can help you determine if repairs or a replacement is the best course of action.

Our HVAC company in Lewes, DE, will diagnose and address any issues you may have, ensuring your home remains comfortable year-round.

What our customers say

Five Stars

Having retired from the HVAC field, I witnessed Alltemp’s install techs to be very professional, and their close attention to detail…. I couldn’t be happier with my choice, and the performance of the American Standard equipment installed.

- Bob G.

Five Stars

I have used Alltemp Air for many years (20+) and I have had outstanding service every time. Dave and his entire staff are very knowledgeable and experienced…. I have recommend Dave at Alltemp Air, Inc. several times in the past and I am absolutely sure that I will do so in the future. Dave is one of the few people that I trust doing business with.

- Judith C.

Five Stars

There are reasons that I have used Alltemp Air for the last 20+ years for my personal home and rental properties…. When needed, options were provided for new equipment then installed professionally along with explaining any new operating instructions.

- Ken H.

Five Stars

Cannot say enough good about these folks: exceptionally professional and capable, and amazing follow-up. HIGHLY recommended for all your HVAC needs.

- Paul C.

Five Stars

I asked a local for a recommendation and I am so glad I did. Dave and his staff from Alltemp have been terrific and very professional. The men who put our new heating and air conditioning units in were meticulous. I feel I can totally trust this team and as stressful as everything is these days, it is one less thing to worry about.

- Diane G.

Five Stars

Excellent!!!!!!!! We had all new heat pump units installed at our hotel and the Alltemp team did an outstanding job!!! Thank you to Bay and crew for your service!! We look forward to doing business with you for years to come!!

- Chad, Brighton Suites

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