FURNACE REPLACEMENT & INSTALLATION

In Anne Arundel County

5-Star Service

Licensed & Insured

Same-Day Service Available

Locally Owned & Operated

A reliable furnace is what keeps your family warm and safe through Maryland's coldest months. Lighthouse HVAC helps you choose the right system, sized and installed correctly — for dependable heat, lower energy bills, and peace of mind all winter long.

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FURNACE REPLACEMENT & INSTALLATION

Common Heating Problems We Fix

When your furnace is aging, breaking down often, or struggling to heat your home evenly, it's often a sign it's reaching the end of its life. Our technicians help you decide when a replacement makes more sense — and safer sense — than another repair.

Not Enough Heat

Frequent, Costly Repairs

Rising Energy Bills

Uneven Heating

Furnace Over 15 Years Old

Strange Noises or Smells

Short Cycling

Cracked Heat Exchanger

The Right Furnace, Installed Right

A new furnace is only as good as the way it's chosen and installed. Proper sizing, professional installation, and honest guidance protect your comfort, your safety, and your investment for years.

Dependable Winter Heat

Lower Energy Bills

Safer Operation

Longer Equipment Lifespan

Free In-Home Assessment

Honest System Recommendation

Transparent Upfront Pricing

Professional Installation & Safety Testing

Warmth That Lasts

Our Process

What To Expect During Your Installation

Why Homeowners Choose Lighthouse

Experienced Technicians

Highly trained HVAC professionals.

Honest Recommendations

Solutions based on your needs.

Fast Response Times

Prompt scheduling and service.

Long-Term Reliability

Repairs focused on lasting performance.

What Homeowners Are Saying

See why local homeowners trust Lighthouse HVAC for repairs, maintenance, and indoor comfort solutions.

      EXCELLENT  
   Based on 107 reviews 
    
 
 
 
   
 
 
       Posted on Google  
   
   Kevin Brennan 
 
 
 
 Trustindex verifies that the original source of the review is Google. The tech who came out to clear drip line from ac unit was great and very efficient. Would use their service again if needed.  3 text messages for this survey in a week seems a little heavy. Doing this to stop the text messages.
  
 
      Posted on Google  
   
   Kenneth Turner 
 
 
 
 Trustindex verifies that the original source of the review is Google. Excellent service. Great local company
  
 
      Posted on Google  
   
   Natalie Vowell 
 
 
 
 Trustindex verifies that the original source of the review is Google. Amazing work!!! Not only did the fit me in very quickly with same day service, but tech was able to fix my boiler instead of saying immediately (like other companies had) that I needed a new boiler saving me thousands!!
  
 
      Posted on Google  
   
   Mike Phelan 
 
 
 
 Trustindex verifies that the original source of the review is Google. My old heat pump went out in the middle of the summer heat.  Lighhouse came out right away and had me set up with a new heat pump within days.  Ronnie was great.
  
 
      Posted on Google  
   
   Jennifer Karns 
 
 
 
 Trustindex verifies that the original source of the review is Google. What a great company this is. I called at 3:00 on a Friday afternoon and they had a tech in my area who was there at 6. He quickly diagnosed the problem and got us up and running again. Very friendly and professional all around. I highly recommend and will definitely use them in the future.
  
 
      Posted on Google  
   
   James Brown 
 
 
 
 Trustindex verifies that the original source of the review is Google. Worked non stop until it was done and were great to work with. Definitely this is the company to use.
  
 
      Posted on Google  
   
   C Jay 
 
 
 
 Trustindex verifies that the original source of the review is Google. Quick and friendly service! Thanks Lighthouse HVAC!
  
 
      Posted on Google  
   
   Connor Rickard 
 
 
 
 Trustindex verifies that the original source of the review is Google. I HIGHLY recommend this company!  We were desperate, and they came to the rescue after hours so that my kids would be able to sleep in a cool house!  I will use them for my business as well.
  
 
  
  
 
    Verified by Trustindex  Trustindex verified that these reviews were published on Lighthouse HVAC LLC's Google Business Profile. Learn more

Protect Your New Investment

A new furnace runs its safest and most efficient when it's maintained. The Lighthouse Annual Maintenance Plan keeps your new system running clean, catches safety issues early, and protects your warranty and your investment — season after season.

Still Have Questions? Let Us Help

Should I repair or replace my furnace?

If your furnace is over 15 years old, needs frequent repairs, or shows a safety issue like a cracked heat exchanger, replacement is usually the smarter and safer choice. We give you an honest, no-pressure recommendation so you can make the right call for your home, budget, and family's safety.

How much does a new furnace installation cost in Maryland?

The cost depends on your home's size, the furnace you choose, and its efficiency rating. That's why we offer a free in-home estimate for replacements — so you get a clear, all-in price upfront with no surprises before any work begins.

What size furnace do I need for my home?

A furnace that's too big or too small wastes energy, heats unevenly, and wears out faster. Our technicians calculate the right size for your specific home — square footage, insulation, and layout — so you get consistent warmth and lower energy bills.

How long does a furnace replacement take?

Most standard furnace replacements are completed in a single day. We remove your old unit, install and fully safety-test the new furnace, and leave your home clean — with dependable heat the same day.

Serving Homeowners Throughout Anne Arundel County

Providing professional furnace replacement and installation across Annapolis, Severna Park, Crofton, Odenton, Glen Burnie, Arnold, Davidsonville, and surrounding communities.

Ready for Dependable Winter Heat?

Don't spend another winter worried about an aging furnace. Schedule your free in-home estimate today and get honest guidance toward warm, safe, efficient comfort.