№

Building type→

Before  1920 

pre-revolution, %

1920-1940’s, %

1940-1960's

 Stalinka, %

1960’s

Khrushchovka, %

1970-80’s

panel, %

Measure↓

1

Insulation of building envelope

up to -18

up to -20

up to -19

up to -35

up to -22

2

Insulation of roofing

up to -15**

up to -10**

up to -7**

3

Insulation of attic floor, combined slab or pitched roof with polypropylene foam

up to -20

up to -17**

up to -11

up to -11**

up to -10**

4

Insulation of fragments of vertical surfaces and constructive units of wall and roof connection with polypropylene foam

up to -5

up to -5

up to -5

up to -5

5

Partial or complete roofing reconstruction before insulation of the attic floor

enables heat to be conserved from implementing measure 3

enables heat to be conserved from implementing measure 3

enables heat to be conserved from implementing measures 2 / 3

6

 Insulation of the floor or basement slab

up to -4

up to -4

up to -3

up to -3

up to -3

7

Insulation of the basements, foundations and pedestals

up to -3

up to -3

up to -3

up to -3

up to -3

8

Replacement of old windows with modern plastic or metal-plastic windows

up to -10

up to -8

up to -17

up to -16

up to -15

9

Installation of window ventilators

up to -13

up to -12***

up to -12

10

Insulation or replacement of entrance doors

up to -3

up to -3

up to -3

up to -3

up to -3

11

 Arrangement of single or double ante-room

up to -3,5

up to -3

up to -3

up to -3

up to -3

12

 Installation of door closers

up to -3

up to -2

up to -2

up to -2

up to -2

13

Installation of screens (reflectors) behind radiators

up to -4

up to -3

up to -3

up to -3

14

Insulation of the heating system pipelines

up to -12

up to -7

up to -10

up to -10

up to -10

15

Insulation of the hot water supply system pipelines

up to -2

up to -3

up to -2

up to -2

up to -2

16

Installation of manual balancing valves with preliminary adjustment (balancing of the heating system)

 up to -27*

up to -25*

up to -30*

up to -25*

17

Installation of the automated heat supply unit (IHS with weather-based control)

up to -17*

up to -20*

up to -18*

up to -18*

18

Installation of the automated hot water supply unit

up to -15*

up to -15*

19

Replacement of high-speed heat exchanger in HWS system with the plate heat exchanger

up to -10*

20

Reconstruction of the ventilation system with installation of heat recuperation unit (use of central or apartment-level recuperation)

up to -19***

21

Replacement of incandescent lamps in the indoor lighting system (including common areas) with modern energy efficient lamps

up to -80% of baseline electricity consumption for lighting needs

up to -80% of baseline electricity consumption for lighting needs

up to -80% of baseline electricity consumption for lighting needs

up to -80% of baseline electricity consumption for lighting needs

up to -80% of baseline electricity consumption for lighting needs

22

Installation of astro-timers in the lighting system in common areas

up to -40% of current electricity consumption for lighting needs

up to -40% of current electricity consumption for lighting needs

up to -40% of current electricity consumption for lighting needs

up to -40%

 of current electricity consumption for lighting needs

up to -40% of current electricity consumption for lighting needs

23

Installation of motion sensors in the lighting system in common areas

 up to -50% of current electricity consumption for lighting needs

up to -50% of current electricity consumption for lighting needs

up to -60% of current electricity consumption for the lighting needs

up to -60% of current electricity consumption for lighting needs

up to -60% of current electricity consumption for lighting needs

24

Installation of gas meters. Optimization of internal gas supply system

up to -35% of gas consumption

up to -35% of gas consumption

up to -35% of gas consumption

up to -35% of gas consumption

* Percentage of reduction of heat supplied for heating needs.

** and *** Measures that are inexpedient if implemented alone for this type of building.