As we continually change our building methods with higher insulation values and sealing the building envelope tighter, there becomes a higher demand for properly designed mechanical systems in our homes. Northern Designs HVAC team specializes in Heating, Air Conditioning, and Ventilation designs for custom homes/cottages and additions/renovations with a desire for the highest quality of air circulation and comfort. We provide professional services to homeowners, architects, engineers, builders, contractors and other design firms.

We at Northern Designs can understand the confusion when hearing things like, Modulating, Multi-Fired, Single Stage, Two Stage, and the list goes on and on yet you are left wondering what’s this going to cost me to install? Understanding the best system for your home and the upfront cost versus the operating cost over time, we will explain the benefits so you are able to choose the best system for your home.

Our HVAC Design & Planning Services include…

  • HVAC Consultation/Education and On-Site Inspections.
  • HVAC Design For Custom Homes/Cottages, Renovations/Additions.
  • Heat Loss/Gain Calculations.
  • Ventilation Calculation, Sizing, and Layout.
  • Computerized Duct Design Calculation and Layout.
  • Hydronic In-Floor Heating Design with Calculations and Loop Layouts.
  • Printed and PDF Design Drawings.

Why Ventilate a House?

Choosing whether or not to ventilate your house really only has one answer. Why should a house be ventilated? As it turns out, there are several answers, including:

  • To provide enough fresh air to keep the occupants healthy.
  • To remove odors.
  • To dilute indoor pollutants.
  • To lower the indoor relative humidity.

Using ventilation to achieve lowering the indoor relative humidity can be problematic. Learning and knowing how to operate your ventilation system is key. Ventilation can only reduce the indoor relative humidity if the outdoor air is dryer than the indoor air. Since cold air can’t hold as much moisture as warm air, ventilating a house helps lower the indoor relative humidity only when it’s cold outside, or on dry days during the spring and fall. Ventilation during hot weather actually introduces more moisture into the house causing it to raise rather than lower the indoor relative humidity.