Ventilation Duct Cleaning

At Greenfields we routinely inspect and clear dryer vents. Always on the lookout for health and safety issues.

We specialize in the design and installation of residential ventilation systems.

Fresh air intake Riser.

Improper installaion of dryer vent hood

Exterior fresh air intakes for air exchangers completely blocked. Bees nests are a common problem although they rarely get as bad as this example.

Example of why you may need a bird guard.

Example of why you should never use a grill/screens on a dryer vent.

New Venmar A130 ERV installation to replace old air exchanger.

After

Before

 Furnace air duct cleaning

Before

Keep a lookout for our vehicles around the valley.

Before

AFTER

Residential ventilation systems require regular maintenance. 

​BEFORE

Before

Exterior hoods for air exchangers

​Dryer Vent Cleaning

Very old technology. Inefficient, limited control options and expensive to operate.

Air Exchangers

Before

​After

Air Exchanger Service & Maintenace 

We often see fresh air intakes under decks.


​After

After

AFTER

Gallery

Air exchangers need regular maintenance.

Keep snow clear from your fresh air intake.

Venmar AVS E15 installation. Very efficient and economical to operate. Lots of contol options to maximize home comfort.

Fresh air intakes should be 18" off the ground.

This is an example of the Ventilation ducts in a home.

​BEFORE

After

New vanEE X24 Gold Series ERV installation also replacing very old air exchanger.