greentomatoenergy designs low energy buildings, conducts energy surveys and installs solar panels. Our services also include: working for a clean energy future, about us, frequently asked questions, generate, save energy, build, Work with us, privacy, Solar case studies, contact us, your home, your business, your community, large scale developments, installers, values, environmental policy, environment, credentials, greentomatogroup, press, solar thermal, solar pv, wind energy, air source heat pumps, ground source heat pumps, consultancy, ventilation and heat recovery, insulation, windows, money matters, water, new build, what is passivhaus?, retrofit, techy stuff, is solar thermal for you?, money matters, why greentomatoenergy, techy stuff, is solar pv for you?, is an air source heat pump for you?, techy stuff, why greentomatoenergy?, money matters, money matters, why greentomatoenergy?, techy stuff, Is a ground source heat pump for you?, why greentomatoenergy?, techy stuff, is consultancy right for you?, why greentomatoenergy?, techy stuff, is mvhr right for you?, why greentomatoenergy?, techy stuff, is insulation right for you?, why greentomatoenergy?, techy stuff, is double-glazing for you?, why greentomatoenergy?, techy stuff, is water conservation for you?, feedback, solar pv questionnaire, solar thermal questionnaire, installers questionnaire, website terms & conditions, terms and conditions of sale, meet the team, Energy Company PV Registration Forms, consultancy case studies, greentomatocars brings free wifi to London, Win some LED lightbulbs

press

hold the front page!

hold the front page!

28 February 2013 - Winners!

18 February 2013 - Tom in the BusinessGreen Room


1 August 2012  - Tom’s thoughts on today’s Feed-in-Tairff cut
http://www.guardian.co.uk/environment/2012/aug/01/solar-panel-feed-in-tariff-cut?CMP=twt_fd 

6 July 2012 - Our YouGen blog post
www.­yougen.­co.­uk/­blog-­entry/­1943/­Making+your+hous­e+more+energy+ef­ficient’3A+where­+do+we+start’3F/­

13 December 2011 - Architects’ Journal Footprint blog on Lena Gardens passivhaus
http://blog.emap.com/footprint/2011/12/13/ph-open-days-lena-gardens-house

11 November 2011 - Al Jazeera’s Earthrise special report on retrofit
http://www.youtube.com/watch?v=h1zAlt8Ccio

7 November 2011 - Rolls Royce Science Prize Award Winners with Mulberry School
http://science.rolls-royce.com/award_winners/winners_2010-11/

17 July 2011 - Matt Rudd’s energy saving tips (PS only if you have subscription)
http://www.timesplus.co.uk/sto/?login=false&url=http%3A%2F%2Fwww.thesundaytimes.co.uk%2Fsto%2Fstyle%2Fhomes_and_gardens%2FImprove%2Fecohomes%2Farticle580650.ece

July 2011 - A mention on the blog from @parityprojects
http://www.parityprojects.com/2/archives/07-2011/1.html

9 March 2011 - The passivhaus retrofits we’ve worked on
http://tinyurl.com/5wyxqnl

1 March 2011 - Lena Gardens gets certified
http://tumblr.com/xnw1ncaulu

7 February 2011 - Review of FITs announced
 http://www.decc.gov.uk/en/content/cms/what_we_do/uk_supply/energy_mix/renewable/feedin_tariff/feedin_tariff.aspx

11 October 2010  - Ed’s words of wisdom at the Passivhaus conference
http://www.cuttingthecarbon.co.uk/passivhaus/autumn-2010-agenda 

1 June 2010 - Hamish’s name in lights (and some good work too)
http://www.housingnet.co.uk/housingnet-news-html/Octavia_Awarded_150k_In_Final_Stage_Of_Energy_Saving_Competition3931.html

21 February 2010 - Cheesy photos of Tom
http://business.timesonline.co.uk/tol/business/industry_sectors/transport/article7034889.ece   





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My boiler is 90% efficient; there is almost no room for improvement.

Truth: A “heat pump” can produce 4... read more

My boiler is 90% efficient; there is almost no room for improvement.


Truth: A “heat pump” can produce 4 units of heat for every unit of electrical input. Thus by a conventional definition it is 400% efficient, a big improvement on your boiler! (To avoid confusion, a different measure of efficiency called the Coefficient of Performance, or CoP, is used in heat pumps).


However, the really large fuel bill savings will come from insulating, airtighting and replacing windows in a house to mean that the boiler (or heat pump) does not have to produce so much energy in the first place.

greentomatoenergy can help you with: working for a clean energy future, about us, frequently asked questions, generate, save energy, build, Work with us, privacy, Solar case studies, contact us, your home, your business, your community, large scale developments, installers, values, environmental policy, environment, credentials, greentomatogroup, press, solar thermal, solar pv, wind energy, air source heat pumps, ground source heat pumps, consultancy, ventilation and heat recovery, insulation, windows, money matters, water, new build, what is passivhaus?, retrofit, techy stuff, is solar thermal for you?, money matters, why greentomatoenergy, techy stuff, is solar pv for you?, is an air source heat pump for you?, techy stuff, why greentomatoenergy?, money matters, money matters, why greentomatoenergy?, techy stuff, Is a ground source heat pump for you?, why greentomatoenergy?, techy stuff, is consultancy right for you?, why greentomatoenergy?, techy stuff, is mvhr right for you?, why greentomatoenergy?, techy stuff, is insulation right for you?, why greentomatoenergy?, techy stuff, is double-glazing for you?, why greentomatoenergy?, techy stuff, is water conservation for you?, feedback, solar pv questionnaire, solar thermal questionnaire, installers questionnaire, website terms & conditions, terms and conditions of sale, meet the team, Energy Company PV Registration Forms, consultancy case studies, greentomatocars brings free wifi to London, Win some LED lightbulbs