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.

Home

Services

Heating

AC Repair

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.

Higher Utility Bills

Reduced Cooling Performance

Unexpected System Failure

Shortened Equipment Lifespan

01 Free In-Home Assessment

02 Honest System Recommendation

03 Transparent Upfront Pricing

04 Professional Installation & Safety Testing

05 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.

“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.”

-- Jennifer Karns

“Our furnace stopped working during one of the coldest nights of the year. Lighthouse HVAC arrived quickly, explained everything clearly, and had us warm again the same day.”

-- Sarah Ms

“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.”

-- Connor Rickard

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 HaveQuestions? 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.

Do you offer free estimates on furnace replacement?

Yes. Free estimates apply to all system replacements. We'll assess your home, explain your options honestly, and give you a transparent price — with no diagnostic fee and no obligation.

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.

Not Sure What's Wrong?

Prevent Future Breakdowns