Save over £100 a year on your heating bill by efficiently insulating your home. We offer a range of insulation, as well as draught-proofing services.

Pipe Lagging

Pipe Lagging

We offer a wide range of pipe lagging for domestic central heating pipes, as well as hot and cold water tank jackets and frost protection.

Air Pressure & Permeability Testing

Air Pressure & Permeability Testing

We are a provider of air leakage and permeability testing for domestic properties, as well as also offering fault finding services.

View All »



"We turned the heating down when the work was completed, and have never had to turn it to maximum again "
A D Manson
View All »

About Us

Shetland Heatwise started in 1992 as a two year project and has expanded steadily to the present day.

Our Accreditations

  • We are PAS 2030 approved in Dry Wall, Cavity Wall, Loft, Underfloor and Draughtproofing
  • We are BINDT approved for air tightness testing for dwellings
  • We are qualified in using FLIR Systems thermal imaging equipment
  • We are RD SAP qualified to issue Energy Performance Certificates

We aim to become the leading company in Shetland in offering a comprehensive range of practical and energy saving services, diversifying, where appropriate, into other business related opportunities.

Who We Are:

Manager - Kevin Rennie

Surveyor - Joe Arthur

Admin (p/t) - Ali Rennie

Insulation Fitters - Thomas Bain, Peter Kiss, Gabor Sallai, Zoltan Farkas and Garry Sutherland

Air Testing Engineer - Shaun Rennie

Moving On Project - Willie Smith

Directors - Alec Miller (Chairman) and Jim Sutherland

Company Secretary - Kevin Rennie