The SED Total Design™ approach is the most rigorous design process in the HVAC industry.
It’s at the heart of our entire process, which ensures that your home’s HVAC system will be
the most efficient and comfortable possible.
It’s what allows SED to guarantee the energy usage required to heat and cool your home ─
something no other company offers.
The SED Total Design™ approach is the most comprehensive and rigorous in the industry.
With the use of computer-aided design, Building Information management software and 37 years
of experience, SED is the only company that can precisely predict and guarantee the energy use
to heat and cool your home.
The first part of the SED Total Design™ approach is the Analysis. Our proprietary load analysis
includes detailed, room-by-room calculations for heat gain and heat loss ─ providing SED
the high degree of accuracy and reliability that results in predictable energy use.
The precision and quality of SED’s analysis has been consistently proven by our results.
After designing HVAC systems for thousands of homes, SED has never failed to meet the
guaranteed energy use.
SED is committed to providing you with the most efficient, most comfortable and purest air quality possible.
We follow a 37 year proven process that has never missed the mark of 100% customer satisfaction.
While most companies claim to provide high customer satisfaction, SED offers the industry’s only FREE
lifetime performance guarantee. And we stand behind it with our promise to pay the difference, allowing
for worry-free enjoyment of your new HVAC system.
Our patent-pending SED Total Flow™ Technology is unique in the HVAC industry. It incorporates
ultra-filtration, air purification, remote system monitoring, and unsurpassed comfort with proper
The SED Total Flow Technology incorporates the industry’s best air purification and ultra
filtration system, which removes up to 98% of air born contaminates.
During our 37 years serving thousands of customers, SED has never failed to meet our
energy usage guarantee. We stand behind our "lowest cost" claim with a guarantee for
the life of the home, and SED will pay the difference between the guaranteed energy use
and the actual measured energy used to heat and cool your home.
Also, the SED Total Flow™ technology allows for real-time monitoring of the energy used
to heat and cool your home ─ so you’ll always know the guarantee is being met.
The SED-designed HVAC system will increase the value of your home with a unique, differentiated benefit
to buyers. No other HVAC design company guarantees performance for the life of the structure ─ and
that’s worth a lot!
Yes, it’s highly likely that we have. SED has thousands of success stories, and we can
share examples of homes similar in size and geography. Also, we’ll provide references
No, SED will work with your builder to coordinate the installation of the duct work. We’ll work
with the insulation and HVAC contractor to ensure your system is installed to all specifications
and on time.
SED is the only HVAC firm that follows all required design requirements, and thus we can
accurately predict the heating and cooling cost for your home. SED guarantees it!
See the enclosed excerpts from the design requirements for HVAC contractors, including a list of
the major requirements that must be followed, along with common problems that occur if they
are not followed.
Our design will provide the lowest possible cost to heat and cool your home, and will ensure
your comfort, air purity and ultimate satisfaction.
The SED designed HVAC system doesn’t ultimately cost you more. In fact, your energy bill savings
will far exceed any up-front cost difference between our solution and the alternatives you will be offered.
It’s important to remember that a load analysis is required by the mechanical code. SED’s
rigorous analysis is not only required by code, it is the most detailed and accurate in the
No, but we work closely with the HVAC installer to ensure the total quality of the system.
It is required by the mechanical code!
There is no obligation to purchase Phase II duct design after the analysis. You are free to
take our analysis to any HVAC contractor and have them use it to design your system.
After thousands of homes and a 100% success rate, we’re confident that you’ll want to use
the SED design service.
The SED Total Design™ approach does not require any special construction materials that
would affect your home’s design. However, we’ll certainly have a positive effect on
the end result.
The SED Total Design™ approach will ensure no corners are cut.
Our quality assurance program will give you assurance that your HVAC equipment, insulation,
duct work, and all other system components will be installed to the manufacturer’s specifications
and SED’s exact design. Once you design the home of your dreams, SED will make it the most efficient,
comfortable home possible.
No, SED will design an HVAC system that will work for your home the way you have designed it.
Over our 37 year history, we’ve provided an average savings up to 60% on the cost to heat and
cool our homes in comparison to similar structures.
SED will be happy to review any HVAC contractor’s analysis FREE of charge to determine if
their analysis provides the level of detail required to properly size the system for your
home. If the analysis provided by any HVAC contractor provides the same level of design
detail as SED, we will refund your money AND give you a $1000 bonus!
Absolutely! In fact, you will receive a trip report after each site visit by SED’s quality
assurance expert. In addition, a final report will be provided to confirm that the HVAC system
test and balancing is complete.
SED provides a lifetime guarantee for the energy used to heat and cool your home. Plus,
all of the HVAC equipment included in our design will carry a manufacturer’s warranty.
The SED Total Design™ approach is unique in the HVAC industry. No other company provides the
same level of detail and precision to ensure your system is done right.
SED’s Total Design™ approach follows what the mechanical code requires. Most importantly,
our design delivers the efficient, healthy HVAC system that should be expected from all
HVAC contractors to meet the needs of today’s homeowner.
The SED Total Flow™ Technology includes remote monitoring of your HVAC system. This will
provide automatic notifications when service is required, and alerts if a system fault
The crawl space is part of the home’s thermal envelope, and sealing it is essential to ensure
that the humidity, temperature and air purity meet SED’s quality standards and your
Our analysis will give you the cost for all available fuel sources. You have the option to
choose the lowest cost, or the fuel source you feel most comfortable with.
No, to ensure proper ventilation, the SED Total Design™ approach will include fresh air
ventilation continuously passes through the ultra-filtration and air purification
components of the SED Total Flow™ Technology.