We're DR Air & Heat Services, a locally owned and operated heating and air conditioning company based in Lake Dallas, Texas.

We provide full-service residential and commercial HVAC services, including air conditioning repair and installation, furnace repair and installation, boiler repair and installation, heat pump service, thermostat repair, preventative maintenance plans, and emergency repairs.

You can reach us anytime at (214) 749-8048.

We are based inLake Dallas, but we serve a wide radius around that location.

Yes! You can learn more about us and our services at https://drairandheat.com/.

We're available 24 hours a day, 7 days a week, including for after-hours emergency calls. Give us a call anytime at (214) 749-8048.

Yes, we are a licensed HVAC contractor. Please contact us at (214) 749-8048 for our specific license number and documentation.

Yes, we handle both residential and commercial HVAC systems, from single-family homes to commercial buildings.

We're based in Lake Dallas, TX and proudly serve the surrounding Denton County communities. Please contact us at (214) 749-8048 to confirm we cover your specific address.

We service Lake Dallas and the greater Denton County area. Call us at (214) 749-8048 and we'll let you know right away if you're within our service area.

Yes, we provide commercial HVAC installation, repair, and maintenance throughout the areas we serve. Contact us at (214) 749-8048 to discuss your commercial property's needs.

Travel fees, if any, depend on your location. Please contact us at (214) 749-8048 for details specific to your address.

Yes, we regularly work with landlords and property managers. Please contact us at (214) 749-8048 to coordinate access and scheduling for a property you don't personally occupy.

Repair costs vary depending on the issue, your system, and the parts needed. We believe in transparent pricing with no hidden costs, and we'll always explain the cost before any work begins. Please contact us at (214) 749-8048 for a quote.

We're happy to provide an estimate for installations and larger projects. Please contact us at (214) 749-8048 to schedule a visit.

Please contact us at (214) 749-8048 for our current diagnostic and service call fee details.

Yes, we regularly offer discounts — just ask! Please contact us at (214) 749-8048 to hear about our current promotions.

Please contact us at (214) 749-8048 to ask about financing options that may be available for your project.

Please contact us at (214) 749-8048 for a full list of accepted payment methods.

Yes. We believe in honest, transparent pricing, so we'll walk you through the cost of any recommended repair or installation before we get started — no surprises.

Please contact us at (214) 749-8048 to ask about our current after-hours and emergency service rates.

Just call us at (214) 749-8048 and we'll find a time that works for you. We're available 24/7.

Yes, we offer same-day service in many cases. Call us at (214) 749-8048 to check availability for your situation.

For routine maintenance, we recommend booking a week or two ahead when possible, but we also accommodate last-minute requests whenever we can. Call (214) 749-8048 to check our next available opening.

Most repairs are completed in a single visit, often within one to a few hours, depending on the issue. We'll give you a time estimate before we begin.

A full HVAC system installation typically takes one to two days depending on the scope of the project. We'll walk you through the expected timeline during your estimate.

Yes, our technician will contact you ahead of arrival so you know when to expect us.

Yes — our goal is to fix it right the first time. Please contact us at (214) 749-8048 for the specific guarantee details on your repair or installation.

Yes, new equipment typically comes with a manufacturer's warranty. Please contact us at (214) 749-8048 for the specific warranty terms on the equipment we install.

Please contact us at (214) 749-8048 for details on our current labor warranty coverage.

If an issue returns shortly after we've serviced it, give us a call at (214) 749-8048 right away and we'll make it right.

Please contact us at (214) 749-8048 to request proof of insurance and coverage details.

We use quality, respected parts and equipment in every job. Please contact us at (214) 749-8048 for specific parts warranty information.

We repair and service all major brands, makes, and models — so no matter what system you have, we can help.

Yes, we install and repair central air conditioning systems for both homes and businesses.

Yes, we repair and install gas, electric, and other furnace types.

Yes, we repair and install boilers for both residential and commercial properties.

Yes, we install and service heat pumps, which can provide efficient heating and cooling in one system.

A heat pump moves heat rather than generating it, which makes it highly efficient for both heating and cooling in moderate climates. A traditional furnace burns fuel or uses electric resistance to generate heat directly. We can help you decide which is the better fit for your home.

Yes, we offer hybrid systems that combine a heat pump with a gas or oil furnace, giving you efficient, flexible heating year-round.

It depends on your home's size, layout, insulation, and your comfort preferences and budget. We're happy to walk your property and recommend the best option — call us at (214) 749-8048 to schedule a consultation.

Please contact us at (214) 749-8048 to confirm we service your specific type of unit.

We start with an in-home evaluation to understand your space and needs, provide you with a clear quote, then schedule the installation at a time that works for you. Our technicians handle everything from removal of old equipment to final testing of the new system.

Our technicians evaluate your home's square footage, layout, insulation, and other factors to recommend a properly sized system. Installing the wrong size can hurt efficiency and comfort, so we take this step seriously.

Yes, our installation service includes removal and disposal of your old HVAC equipment.

We recommend being home or available at the start and end of installation, but please contact us at (214) 749-8048 to discuss what works for your schedule.

We work efficiently and take care to minimize disruption, but some noise and activity is expected during a system swap. We'll walk you through what to expect beforehand.

Please contact us at (214) 749-8048 to confirm permit handling for your specific project and municipality.

Yes, we can evaluate your home and design a new HVAC installation from scratch, including any necessary ductwork.

We test the full system, walk you through your new thermostat and controls, and answer any questions before we leave. We're also just a phone call away if anything comes up.

Yes, we offer preventative maintenance plans designed to keep your system running efficiently year-round and catch small issues before they become expensive repairs.

We generally recommend a tune-up twice a year — once in spring for your air conditioning and once in fall for your heating system.

A typical maintenance visit includes inspecting and cleaning key components, checking refrigerant levels, testing electrical connections, and verifying your system is running safely and efficiently. Call (214) 749-8048 for a full checklist.

Regular maintenance helps your system run more efficiently, extends its lifespan, reduces the chance of breakdowns, and can help preserve your equipment warranty.

Most residential filters should be changed every 1 to 3 months, though it can vary based on filter type, pets, and household allergies. We're happy to recommend a schedule for your specific system.

Yes, a well-maintained system runs more efficiently, which typically translates to lower energy bills compared to a neglected system.

Weak airflow, unusual noises, inconsistent temperatures, higher-than-normal energy bills, and unusual odors are all signs it's time for a check-up.

Yes, we offer preventative maintenance plans for commercial HVAC systems as well as residential. Call (214) 749-8048 to discuss your property's needs.

Skipping maintenance increases the risk of unexpected breakdowns, higher energy costs, and a shorter system lifespan, and it may also affect your manufacturer's warranty.

Yes, indoor air quality is one of our specialties. We offer solutions to help address dust, allergens, humidity, and ventilation concerns.

Indoor air quality refers to the cleanliness and health of the air inside your home or business. Poor indoor air quality can contribute to allergies, respiratory irritation, and general discomfort, so it's worth addressing alongside your heating and cooling needs.

Yes, upgraded filtration and air purification options added to your HVAC system can help reduce allergens circulating through your home. Call (214) 749-8048 to discuss options.

Please contact us at (214) 749-8048 to discuss air purification options that can be integrated with your HVAC system.

Yes, we can help address humidity issues, which affect both comfort and air quality. Please contact us at (214) 749-8048 to discuss whole-home humidity solutions.

Common signs include excess dust, musty odors, condensation on windows, and increased allergy or respiratory symptoms in the home.

The best filter depends on your system, household needs, and any allergy concerns. We're happy to recommend the right filter type and rating for your setup.

Yes, leaky or dirty ductwork can pull in dust, allergens, and outside air, reducing your indoor air quality. We can inspect your ducts and recommend solutions.

Regular maintenance, sealing ductwork, upgrading to a high-efficiency system, and using a programmable or smart thermostat are all great ways to improve efficiency.

Yes, HVAC technology has improved significantly, and newer systems are generally far more energy efficient than models that are 10 or more years old.

Rebates and tax credits change often and vary by program. Please contact us at (214) 749-8048 and we'll let you know what may currently be available.

SEER stands for Seasonal Energy Efficiency Ratio. It measures how efficiently an air conditioning system cools your home over a typical season — the higher the SEER rating, the more energy efficient the system.

In most cases, yes — an efficient, properly sized new system typically uses less energy than an aging or oversized one, which can lower your monthly utility bills.

It depends on your system's age, efficiency, and repair history. If it's over 10-15 years old or requiring frequent repairs, replacement may save you money long-term. We're happy to help you weigh the options.

Please contact us at (214) 749-8048 to ask about scheduling an energy efficiency evaluation for your home or business.

Yes, sealing leaky ducts prevents conditioned air from escaping before it reaches your rooms, which can meaningfully improve efficiency and comfort.

Yes, we're available 24 hours a day, 7 days a week for emergency repairs. Call us anytime at (214) 749-8048.

A complete system breakdown during extreme heat or cold, gas smells, strange burning odors, or water leaking from your unit are all situations we consider emergencies. If you're unsure, just call us at (214) 749-8048.

We aim to respond to emergency calls as quickly as possible. Call (214) 749-8048 and we'll let you know our current response time.

Yes, we understand how urgent this is, especially in Texas summers. Call us at (214) 749-8048 and we'll do everything we can to get to you quickly.

Yes, a heating failure during cold weather is a priority call for us. Reach out at (214) 749-8048 right away.

If you smell gas, leave the area immediately, avoid using switches or open flames, contact your gas utility company, and then call us at (214) 749-8048.

Please contact us at (214) 749-8048 to ask about current after-hours and emergency service rates.

Yes, we provide emergency HVAC service for commercial as well as residential properties. Call (214) 749-8048 any time.

Yes, we install and service smart thermostats compatible with most modern HVAC systems.

Smart thermostats let you control your home's temperature remotely, create custom schedules, and often help lower energy costs by optimizing your system's run time.

Most smart thermostats are compatible with modern HVAC systems, but compatibility can vary. Call (214) 749-8048 and we'll confirm what will work with your setup.

Yes, our technicians can install your smart thermostat and walk you through setup and programming.

We can diagnose whether your existing thermostat can be repaired or if replacement makes more sense. Call (214) 749-8048 to schedule a diagnostic visit.

Many homeowners see savings from smart thermostats since they reduce energy use during times you're away or asleep, though actual savings vary by household.

We're happy to recommend a smart thermostat that fits your system and budget. Please contact us at (214) 749-8048 to discuss your options.

Yes, we design, install, and repair ductwork for both residential and commercial properties.

Signs include uneven temperatures between rooms, higher energy bills, visible damage or disconnected sections, and excess dust in your home. We're happy to inspect your ductwork and let you know.

Yes, leaky ductwork lets conditioned air escape before it reaches your living space, forcing your system to work harder and increasing your energy costs.

Please contact us at (214) 749-8048 to ask about duct cleaning services.

We recommend having your ductwork inspected as part of your regular seasonal maintenance visit, or sooner if you notice airflow or comfort issues.

Yes, we can evaluate your home and extend or design new ductwork to bring conditioned air to rooms that don't currently have it.

Yes, sealing gaps and leaks in your ductwork can noticeably improve airflow, comfort, and energy efficiency throughout your home.

Please contact us at (214) 749-8048 to discuss ductwork material options best suited to your home or building.