(410) 267-0260 sinesacace2020@gmail.com

About Us

Sines and Sons heating and air conditioning company in Arnold, MD has been the #1 choice for residents and businesses for the past 20 years.

SAVE $150

Installation of a New System

About Sines and Sons
Your Trusted HVAC Company in Arnold, MD

For over 20 years, Sines and Sons has been the #1 choice for reliable, professional, and customer-focused heating and cooling services in Arnold, MD, and across Anne Arundel County. As a family-owned and operated HVAC company, we take pride in delivering dependable comfort solutions backed by old-fashioned service values and modern technical expertise.

Sines and Sons heating and air conditioning company
Sines and Sons

A Legacy of Trust and Excellence

At Sines and Sons, we understand that trust is earned. Our customers rely on us not just for fixing their furnaces or installing new AC systems, but for delivering peace of mind with every visit. We’re known for:

 Friendly, honest service

 24-hour emergency HVAC assistance

 Competitive pricing on all brands

 Fully trained, certified technicians

 Long-standing community relationships

Our reputation as a leading residential and commercial HVAC contractor has been built one service call at a time, through consistent quality and genuine care.

Why Homeowners and Businesses Choose Us

Whether you’re a homeowner needing a furnace replacement, or a business owner seeking a full-scale HVAC system upgrade, Sines and Sons is the partner you can count on. Our team is skilled in all facets of indoor air quality, climate control, and energy-efficient heating and cooling solutions.

Our services include:

Heating and air conditioning installation and repair

 Preventive HVAC maintenance

Emergency HVAC repairs

Energy-efficient equipment upgrade

Personalized, Professional HVAC Services

What sets Sines and Sons apart from other HVAC service providers is our personalized approach. We listen. We advise. And we tailor solutions to your specific needs—no cookie-cutter fixes or pushy upsells.
Our team is available around the clock to ensure your system performs when it matters most. Whether it’s a frigid winter night or a blazing summer afternoon, we’re there when you need us.

Commitment to Sustainability

We’re not just passionate about comfort—we care about the environment too. That’s why we specialize in energy-efficient HVAC systems, helping our customers reduce their carbon footprint while enjoying consistent, affordable comfort.

A Look Ahead

As we continue to grow, our core values remain unchanged: integrity, quality, and customer-first service. Sines and Sons is proud to be a part of the Arnold, MD community, and we look forward to keeping homes and businesses comfortable for decades to come.

Thank you for trusting Sines and Sons—your dependable HVAC company near Arnold, MD—for all your heating, cooling, and comfort needs.

Man in a hard hat repairs an outdoor air conditioning unit while standing on a ladder by a brick wall.

New System Installation

Call Sines and Sons today for $150 off on the installation of your new HVAC comfort system in Arnold, Maryland