What is the recommended air filter replacement frequency for an HVAC system?

It’s recommended to replace your HVAC air filter every 1 to 3 months, depending on usage and indoor air quality. Homes with pets or allergies may require monthly changes.

When is a broken AC considered an emergency?

A broken AC is considered an emergency when it poses immediate health risks, such as during heatwaves or if it involves electrical issues that could indicate a fire hazard.

How often should heat pump maintenance be done for optimal efficiency?

Heat pump maintenance should be performed at least once a year to ensure efficient operation and prolong lifespan. Biannual maintenance may be beneficial for heavy usage.

What are the signs that I need air duct repair?

Signs indicating the need for air duct repair include uneven heating or cooling, increased energy bills, and dust around vents. Unusual noises or musty odors may also suggest issues.

How long does an AC replacement take?

An AC replacement typically takes about 4 to 8 hours, depending on the complexity of the system and any necessary modifications.

Dial One Johnson Plumbing, Cooling & Heating

Name: Dial One Johnson Plumbing, Cooling & Heating
Address: 209 W Main St #107, Grand Prairie, TX 75050, Grand Prairie, TX, US
Telephone: +1972-662-8223

Reviews read through Jul 31, 2026 · Scored Aug 11, 2026 · 115 reviews read

209 W Main St #107, Grand Prairie, TX 75050

972-662-8223

Visit Website

88.4

DFW Pros score

4.9★ 446 reviews115 read in full

Best for: Quick response, knowledgeable technicians

Dial One Johnson, Plumbing, Heating and AC Repair

Dial One Johnson Plumbing, Cooling & Heating stands out for its quick response times and knowledgeable technicians, as evidenced by numerous positive reviews. The company is noted for its thorough explanations of work and strong customer service. However, some customers have reported scheduling challenges and unexpected pricing increases. This blend of efficiency and occasional inconsistency shapes its reputation in the Grand Prairie area.

What reviewers consistently mention

Several reviewers highlight prompt response times, noting same-day service and quick resolutions for HVAC and plumbing issues. This includes rapid initial appointments for emergencies, indicating reliability in urgent situations.
Multiple customers report positive experiences with the professionalism and knowledge of technicians. Reviews frequently mention thorough explanations of issues and solutions, contributing to a strong sense of trust in the service provided.

Watch out for

A few reviewers expressed dissatisfaction with scheduling issues. Complaints included lengthy waits for technician arrivals without communication, which raised concerns about reliability in such instances.
Some customers noted that pricing was higher than expected, particularly in cases of emergency repairs. While many felt the service justified the cost, it was still a recurring theme of concern.

How the reviews break down

4.9★ average from 446 Google reviews

5★
425 95%
4★
12 3%
3★
3 1%
2★
2 0%
1★
4 1%

Low ratings are rare here — 1% of reviews are one or two stars.

Dial One Johnson Plumbing, Cooling & Heating offers plumbing services in Grand Prairie, featuring knowledgeable staff and expertise in water heater and toilet replacements, along with quick fixes and plumbing inspections.

Services offered by Dial One Johnson Plumbing, Cooling & Heating

HVAC Contractor: Offers comprehensive heating, ventilation, and air conditioning solutions for both residential and commercial properties.
Air Conditioning Contractor: Provides installation and maintenance services for a variety of air conditioning systems to ensure optimal performance.
Air Conditioning Repair Service: Delivers prompt repair services for air conditioning units, addressing issues to restore comfort efficiently.
Air Duct Cleaning Service: Cleans and maintains air ducts to improve indoor air quality and system efficiency.
Gas Installation Service: Handles the installation of gas lines and appliances, ensuring safe and compliant connections.
Heating Contractor: Specializes in the installation, maintenance, and repair of heating systems for residential and commercial use.
Hot Water System Supplier: Supplies and installs various hot water systems tailored to meet specific needs and preferences.
Plumber: Offers a range of plumbing services including repairs, installations, and maintenance for residential and commercial clients.