Trenary Service Company

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Trenary Service Company Trenary is a heating and air conditioning service located in Martinsburg, WV. Serving the surrounding area in WV, Va, Md, and Pa. Get your free quote today!
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We offer free estimates on all new installations, maintenance plans, and 24/7 emergency after hours service. Trenary Service Company is a heating and air conditioning service located in Martinsburg, WV and serving the surrounding area in West Virginia, Virginia, Maryland, and Pennsylvania. We have been delivering high quality heating and air conditioning service for the last 40 years in the area. We take pride in the work we deliver and the positive experience of our customers. We provide heating and air conditioning service for all brands or air conditioners, furnaces, heat pumps, water heaters, boilers, a/c’s, geo-thermal, oil, natural gas, and propane for all residential, commercial, and food service customers. No matter what your heating and air conditoning service needs are the expert HVAC technicians at Trenary Service Company can help. We treat our customers with the utmost respect and courtesy and value their time as we do our own. Our outstanding customer service is matched only by our superb diagnostics, expert solutions and quality workmanship.

We Remember. We Honor. We Never Forget.25 years later, we remember the lives lost, the families forever changed, and the...
09/11/2026

We Remember. We Honor. We Never Forget.

25 years later, we remember the lives lost, the families forever changed, and the heroes who ran toward danger when others were running to safety.

Their courage. Their sacrifice. Their service. Never forgotten.

September 11, 2001 🇺🇸
Honor the fallen. Remember the heroes. Never Forget.

09/10/2026

We are hiring an HVAC Service Technician.
We’re on a mission to keep homes and businesses comfortable year-round by delivering reliable, high-quality HVAC solutions with a personal touch. Our team believes in craftsmanship, integrity, and treating every customer like family. From emergency repairs to energy-efficient upgrades, we take pride in making a real difference in people’s daily lives.
As an HVAC Service Technician, you’ll be the face of our company in the field—diagnosing, repairing, and installing heating and cooling systems that keep our customers safe, comfortable, and happy. Your expertise will directly impact energy efficiency, indoor air quality, and the trust our clients place in us.
What You'll Do
• Diagnose and repair residential and light commercial HVAC systems, including furnaces, heat pumps, boilers, and air conditioners.
• Perform preventive maintenance and system tune-ups to ensure peak performance.
• Install new HVAC equipment according to manufacturer specifications and local codes.
• Communicate clearly with customers about issues, solutions, and maintenance tips.
• Maintain accurate service records and submit reports to office staff.
• Collaborate with office staff to ensure timely service and parts availability.
What You'll Bring
• 2+ years of hands-on HVAC service experience (EPA certification required).
• Strong troubleshooting skills and familiarity with digital diagnostic tools.
• Ability to read and interpret wiring diagrams and technical manuals.
• A valid driver’s license with a clean driving record.
• Excellent communication skills and a customer-first mindset.
• Willingness to participate in ongoing training and certification programs.
Why You'll Love It Here
• Competitive hourly pay.
• Company-provided service vehicle.
• Paid time off and holidays.
• A supportive team culture where your skills are valued and your growth is encouraged.
We are an equal opportunity employer and celebrate diversity in our workforce.
Join Us
If you’re ready to bring your HVAC expertise to a company that values quality, integrity, and people, send your resume and a short note about a repair or installation you’re most proud of to [email protected] Let’s keep our community comfortable—together.

Ready to turn off your humidifier for the summer?? Here’s how to do it in a few simple steps:1️⃣ Locate Your Humidifier ...
06/03/2026

Ready to turn off your humidifier for the summer?? Here’s how to do it in a few simple steps:

1️⃣ Locate Your Humidifier - It’s typically attached to your HVAC system.
2️⃣ Turn the Dial to Off - If it has a control panel, switch it to the “off” position.
3️⃣ Close the Damper - Some systems have a humidifier damper. Close it to prevent air from flowing through it.
4️⃣ Shut Off the Water Supply - Locate the water valve and turn it off to prevent leaks or buildup.
5️⃣ Clean It Up - Wipe down the unit and remove any excess water to keep it fresh for next season.

Taking these steps can help prevent mold and mineral buildup. Need assistance?? Trenary’s team is here to help with all your HVAC needs!!

📲 304-263-2649

Selling Your Home? Your HVAC System Could Seal the Deal! 🏡Buyers love a home with a well-maintained, efficient HVAC syst...
06/01/2026

Selling Your Home? Your HVAC System Could Seal the Deal! 🏡

Buyers love a home with a well-maintained, efficient HVAC system—it shows you’ve taken care of the property and helps them avoid surprise expenses. A newer system or one with regular maintenance can boost your home’s value, make it more energy-efficient, and give buyers peace of mind.

Thinking about selling? Make sure your HVAC is in top shape before listing—it could be the selling point that gets you the best offer! 💨💰
📲 304-263-2649

If your AC is frequently cycling on and off, it’s not just frustrating – it can signal underlying issues. Here’s why thi...
05/29/2026

If your AC is frequently cycling on and off, it’s not just frustrating – it can signal underlying issues. Here’s why this might be happening and why you shouldn’t ignore it:
➡️ Dirty Air Filter: A clogged filter restricts airflow, causing the system to overheat and shut down.
➡️ Thermostat Problems: A faulty thermostat can misread temperatures, leading to constant cycling.
➡️ Refrigerant Levels: Low refrigerant can cause the AC to malfunction and cycle improperly.
➡️ Oversized Unit: An AC that’s too powerful for your space cools too quickly and shuts off, only to start up again soon after.
➡️ Electrical Issues: Faulty wiring or connections can interrupt the AC’s operation.
Ignoring these issues can lead to higher energy bills, more wear and tear, and potential breakdowns. If your AC is acting up, it’s time to call a professional for a thorough check-up!!
Call us at: 304-263-2649

Does your circuit breaker keep tripping? 🚨If you are dealing with this issue it’s more than just an annoyance – it can b...
05/27/2026

Does your circuit breaker keep tripping? 🚨

If you are dealing with this issue it’s more than just an annoyance – it can be a sign of a serious electrical issue! ⚡ Here’s why:

➡️Overloaded Circuit: Too many devices can overload the circuit, causing it to trip.

➡️Short Circuit: This occurs when a hot wire touches a neutral wire, creating a dangerous situation.

➡️Ground Fault: Similar to a short circuit, but involves a hot wire touching a ground wire or metal.

Ignoring these issues can lead to electrical fires or damage to your appliances. Always consult a licensed electrician to identify and fix the problem safely! 🛠️🔌

📲 304-263-2649

Honoring the brave and remembering the fallen this Memorial Day. 🇺🇸 Let us express our gratitude for the sacrifices made...
05/25/2026

Honoring the brave and remembering the fallen this Memorial Day. 🇺🇸 Let us express our gratitude for the sacrifices made to protect our freedom.

If you have had the opportunity to have one of our trusted technicians help you, we would love to hear your feedback!!He...
05/22/2026

If you have had the opportunity to have one of our trusted technicians help you, we would love to hear your feedback!!

Here’s how you can leave us a review:
⭐️page Recommendation
⭐️Google Review

Thank you in advance for taking the time to share your experience!!

Feeling the heat indoors? 🔥 Here are three common reasons why your AC may be blowing warm air:➡️ Low Refrigerant Levels:...
05/21/2026

Feeling the heat indoors? 🔥

Here are three common reasons why your AC may be blowing warm air:

➡️ Low Refrigerant Levels: Refrigerant is a substance that absorbs heat from the indoor air and releases it outside. If your AC system has low refrigerant levels due to leaks or improper charging, it won't be able to cool the air effectively. Low refrigerant levels can result in warm air blowing from the vents.

➡️ Dirty or Blocked Air Filters: Air filters trap dust, dirt, and other debris to prevent them from entering the AC system. If the filters become clogged or dirty, airflow can be restricted, reducing the system's efficiency. Poor airflow can lead to the AC blowing warm air instead of cool air. Regularly replacing or cleaning the air filters can help prevent this issue.

➡️ Faulty Compressor: The compressor is responsible for circulating refrigerant through the AC system. If the compressor malfunctions or fails, it won't be able to properly pressurize the refrigerant, hindering the cooling process. A faulty compressor can cause the AC to blow warm air or not cool at all. Repairing or replacing the compressor may be necessary to resolve this issue.

These are just a few potential reasons why your AC may be blowing warm air. If you're unsure about how to diagnose or fix the problem, it's best to consult with a qualified HVAC technician for assistance.

Give us a call today to schedule an appointment with one of our trusted technicians!! 304-263-2649

May is National Home Improvement Month — the perfect time to tackle those projects that keep your home running smoothly!...
05/21/2026

May is National Home Improvement Month — the perfect time to tackle those projects that keep your home running smoothly! For reliable HVAC services, Trenary Service Company has you covered.

Whether it’s a seasonal tune-up, a quick repair, or a complete system upgrade, our experienced team is here to ensure your home stays comfortable and efficient. Don’t wait for small issues to become big problems — let’s keep your home in tip-top shape all year long!!
📲 304-263-2649

Address

7983 Tuscarora Pike
Martinsburg, WV
25403

Opening Hours

Monday 6:30am - 5:30pm
Tuesday 6:30am - 5:30pm
Wednesday 6:30am - 5:30pm
Thursday 6:30am - 5:30pm
Friday 6:30am - 5:30pm
Saturday 7:30am - 5:30pm

Telephone

+13042632649

Website

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