• 9244 E Hampton Dr. Ste 602 Capitol Heights, MD 20743
  • Monday-Saturday
    8:00 am - 5:00 pm
24/7 Emergency Service




Answers from the experts!

Frequently Asked Questions

These are our most frequently asked questions about HVAC, service areas, and much more. Please feel free to contact us if you don’t see your question answered below.

  • General Questions
  • Mechanical Questions

What is the life expectancy of my HVAC system?

The average life expectancy of a furnace or air conditioner is approximately 10 years. However system failures can occur. The system is overrun or filthy. The systems is older. Sometimes it's the year, make, and model of the system. If the system is not serviced regularly; over the course of time these things can significantly reduce the life expectancy of the system.

Do you provide free estimate on repairs?

No. Diagnostic fees apply, as it requires a skill technician to use the latest tool to diagnose your HVAC system properly.

Do you provide free estimate for replacing a HVAC system?

Yes. We provide a free estimate for replacing HVAC Systems, water heaters, duct cleaning, duct sealing, and heating systems.

How much is your diagnostic fee and what does it cover?

Diagnostic fee is $120, you will receive a full diagnostic report of your HVAC system that will include any failures and recommendation.

Can my diagnostic fee be applied toward the cost of my repair?

Yes. The type of repair will determine the amount that can be apply to the invoice.

How long are your time frames? Why are they so long and can you provide a more accurate time?

Your time is very important to Sledge Total Protection. We give a 2 hour window. Allowing for time in the facility/home to asses and provide a full diagnostic. We create plan to repair the system, discuss payment/finance and repair the system.

What services do you provide?

We are a full service HVAC company. We provide all your heating and air conditioning maintenance, installation and repairs.

What is included in your maintenance package?

We have few maintenance plan to choose from. Please see our service plan page. They all include prevent check up and discount for members only.

What areas do you service?

We service the Washington Metropolitan (DMV) Area which includes: Anne Arundel County, Prince George's County, Montgomery County, Washington DC and Charles County More details on Contact Us page.

When should I change my filter?

Every house is different and there are many types of filter on the market. But we recommend checking your filter every 30 days. If you have an even layer of dust and debris on it. I would replace it.

What is a flame sensor?

A flame sensor is a safety device that's on a furnace. What it does is detect the flame on a furnace. If it doesn't detect a flame, it will tell the furnace to turn the gas off as it may be leaking gas into the home.

How often should I clean my evaporator coil?

You should have your evaporator Coils check every year and clean as needed.

How often do I need to replace my capacitor?

There are capacitors on the outside and the inside. They should be check during your prevent maintenance check up twice a year.

Why is my thermostat is blank?

You first should check your batteries, If that doesn't solve your problem. Call Sledge Total Protection, we will perform a diagnostic check up to find the problem.

Why is there water coming from my AC when it is on?

Your drain line may be blocked or your have a cracked drain pan.

Why do I see ice on my line set?

There are a few issues that can cause this. One issue could a dirty filter. Call to perform a complete full diagnostics.

Why can't I keep my R-22 refrigerant system?

The EPA has place restriction on the use of R-22 refrigerant. It will be phaseout completed soon. .

Get clean air, a healthier environment and comfort!

Get clean air,
a healthier environment
and comfort!

Our technician are here for you! Making sure your home stays at a comfortable temperature is our goal. Want to eliminate germs in your home? To keep your family safe and healthy we can add an air sanitizer to your system. Call today to learn more!

Already know what you need? Bring out your
technician right now, and be sure to check out
our special offers.


Have More Questions?

If you have a question about heating, cooling or air quality matters, just ask our experts. We're here to help! Please fill the form to ask your question.