Frequently Asked Questions
How often should my chimney be cleaned?
The National Fire Protection Association recommends an annual inspection with cleaning as required. The evaluation is necessary to ensure that the chimney has an adequate draft, is free of debris and cracks, and has no loose or missing mortar joints. Prefabricated chimneys are subjected to vibration from the wind, and the joints can become misaligned.
What is the best time of year for a chimney cleaning?
We clean chimneys all year long, but the best time is at the end of the heating season. You don’t have to wait weeks for an appointment, as in the fall, and if repairs are needed, they can be completed in the spring and summer.
How do you clean chimneys?
A chimney flue is cleaned with special brushes. We clean most chimneys from inside the house. This method allows for more control of the dust. The brushes are attached to flexible poles; we add length to the pole to push the brush up into the flue. We do this only as fast as our special vacuum collects the debris. The walls of the fireplace are cleaned by hand using wire brushes.
Does the cleaning remove black from the fireplace wall?
No. We can clean off the soot only on the surface of the brick. Each time you burn a fire, this black changes, based on how hot you burn your fire.
Does the cleaning cause a mess in my home?
No. By cleaning the chimney from inside your home we can control the dust. All our equipment is laid out on clean drop cloths in front of your fireplace. The hose of our special vacuum collects the debris as we brush the chimney. We can only brush the chimney as fast as our vacuum collects the dust. The dirtier the chimney flue, the slower we brush.
What are you looking for when you do an evaluation?
We look for the type of chimney you have; the liner type, if present; the size of your chimney flues; the type of fuel you burn, both fireplace, or stove; and central heating. We check for code compliance as to construction, clearances to combustible materials, proper stove or insert installation, and proper furnace and/or water heater connections to the chimney flue. We also check to see if you already have a chimney cap.
What is a flue?
A flue is a passageway inside your chimney that conveys the gases out of the home and into the atmosphere.
How many flues do I have?
You should have one flue for each fireplace, stove, and furnace or boiler. Some homes also have a separate flue for the hot water heater.
Do I need a chimney cap?
All chimneys should have caps to prevent leaves, sticks, debris, animals and most importantly, rain and snow from entering the chimney flue.
Will a cap prevent my flue from venting properly?
A chimney cap is designed by codes for your protection. It must be installed and sized properly to vent correctly. In some cases caps actually help eliminate certain downdrafts and improve venting.
Can you repair my damper?
A damper that has come loose or off its bracket can be reseated. However, if a damper has become brittle and parts have snapped off, it cannot be repaired and must be replaced. A replacement damper is installed on top of the chimney flue and is connected by a cable to an adjustable bracket secured to the wall of the fireplace. This type of damper is airtight and helps cut down on heat and air conditioning loss when closed. When opened the damper also has a cap built onto it to keep out debris, rain, snow and animals.
My fireplace smokes. Does this mean it needs to be cleaned?
Maybe. The chimney must have proper draft and capacity in order to convey the smoke and gases up and out the flue. Draft is the air pressure that forces room air into a heating appliance or fireplace and pushes the smoke up. The strength of the push depends on the difference between the pressure of the air inside the house and the air inside the chimney. When there is no fire in the fireplace, the heavier cold air flows into the living area. Even with a fire, when the chimney is operating too cold, the low draft may not be enough to exhaust the gases from the chimney. This can cause smoke to back puff into the living area.
Smoking can be caused by one or more of the following:
- A flue that is either too small or too large for the appliance it serves.
- A connector pipe that is too long or has too many elbows.
- Too many bends in the chimney itself.
- Creosote (soot) build up and/or debris in the flue clogs it or decreases its capacity.
- The house itself is so airtight that not enough make-up air can flow in from outdoors to feed the fire.
- Other vents in the house (dryer vent, exhaust fans, gas water heater or furnace flue) allow excessive amounts of air to escape, creating a low air pressure in the house.
- The cleanout door in the chimney is open, missing or not sealed properly.
- Action of the wind on a building creates negative pressure inside the house and can affect chimney performance.
What can be done to correct smoking problems?
- An evaluation of your system can sometimes determine the cause immediately.
- The first step would be to eliminate any flue blockages or creosote build up. Pre-warm the flue.
- Wind-induced downdrafts can often be solved by installing a regular chimney cap.
- Sometimes a specialty cap designed for wind-induced downdrafts is needed.
- The lack of make-up air can be solved by opening a window on the side of the house the wind is blowing against.
- Make sure all fans are shut off when operating the fireplace.
- A smoke guard can be installed to correct the size of the firebox opening.
- Relining a chimney from top to bottom to size it correctly for its job.
Why is a chimney liner important?
Most chimneys are built with terracotta flue liners inside of the brick/stone structure. The liner acts as a gas-tight and heat-resistant insulator. When a liner becomes cracked or otherwise damaged, there can be heat transferred through it to the masonry part of the chimney. The chimney comes in direct contact with the structure of the home, which is usually wood. When this contact occurs, there is a risk of damage to your home’s structure. A liner made of stainless steel or aluminum is inserted throughout the length of the entire chimney, and connects to the appliance, furnace, woodstove, or fireplace. The unit will now vent through the liner, solving most draft and safety concerns.
Can I use chimney sweeping logs in lieu of a cleaning?
Click here to find out.
Dryer Vent FAQs
Are you licensed?
Yes, we are CSIA Certified Dryer Exhaust Technicians, and we are trained to do the job right, with your safety in mind.
How often should dryer ducts be inspected?
Dryer ducts should be inspected annually. HVAC system ducts are not required to be serviced each year. A general rule of thumb is: If someone in your home suffers from allergies or a respiratory problem, consider having your system serviced every 3 to 5 years. If you do not have allergies or a respiratory problem, have the system serviced every 5 to 7 years.
Why not just clean the vent openings?
Most often, the dirtiest parts of the system are the furthest from the vents. There are special tools to reach and clean each part of the system.
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